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1 Corinthians 5:1-13 - A Little Leaven: Discipline and Holiness

15 min read

“Since then you would need to go out of the world.” Paul’s own clarification keeps this severe chapter from becoming a charter for Christian withdrawal. Holiness does not require escape from neighbors, relatives, coworkers, or strangers who do not share the Church’s life. Paul draws the sharper boundary inside the Church, where someone claims the name of brother while openly persisting in grave sin and the community protects false peace.

Session 6 ended with apostolic authority held under Christ: Paul warned beloved children “in Christ Jesus” and “through the gospel,” giving them room to receive correction before he came. Chapter 5 shows what that authority requires when known public conduct wounds the Church. The gathered community must exchange boasting for mourning and act in the Lord’s name, yet every action remains accountable to Christ and ordered toward salvation. The center of the chapter is not exclusion. It is “Christ, our Passover,” whose sacrifice makes truthful cleansing possible.

The Sin Named and the Mourning Missing (1 Corinthians 5:1-5)

1 It is actually reported that there is sexual immorality among you, and such sexual immorality as is not even named among the Gentiles—that a man has his father’s wife! 2 And you are puffed up, and have not rather mourned, that he who has done this deed might be taken away from among you. 3 For I indeed, as absent in body but present in spirit, have already judged (as though I were present) him who has so done this deed. 4 In the name of our Lord Jesus Christ, when you are gathered together, along with my spirit, with the power of our Lord Jesus Christ, 5 deliver such a one to Satan for the destruction of the flesh, that his spirit may be saved in the day of the Lord Jesus.

Paul names a public sexual scandal: a man has “his father’s wife,” wording that most naturally points to a forbidden household union such as a stepmother or a woman married to his father. Leviticus 18:8 and Deuteronomy 22:30 stand behind the covenant prohibition. The text does not tell us whether the father was living, whether the woman was a Christian, whether coercion was involved, or what legal situation surrounded the union. Those silences matter. They prevent speculation about the woman’s agency or guilt, the offender’s motives, and facts Paul has not supplied.

Paul’s judgment here does not contradict his warning in 4:5. There he forbade premature final claims about hidden motives and the counsels of hearts, which the Lord alone will reveal. Here he addresses conduct that is already reported and publicly known; in verse 12 he will explicitly require judgment “inside” the Church. Christian discernment may name known conduct, establish truthful boundaries, protect the vulnerable, and call for repentance. It may not pronounce the Lord’s final verdict over a hidden heart.

The communal response deepens the scandal. The Corinthians are “puffed up” when they should have mourned. Paul contrasts πεφυσιωμένοι (pephysiōmenoi), a settled state of inflation or pride, with ἐπενθήσατε (epenthēsate), the concrete grief they failed to show.1 Mourning is neither gossip nor paralysis. It brings the wound before God, strips correction of excitement and self-righteousness, and refuses to call grave harm harmless. A Church that mourns can tell the truth without enjoying another person’s fall.

Verse 5 is deliberately severe. “Deliver” reflects παραδοῦναι (paradounai), to hand over; “flesh” is σάρξ (sarx); and the purpose clause, ἵνα τὸ πνεῦμα σωθῇ (hina to pneuma sōthē), states the goal: that the spirit may be saved.2 The grammar establishes the saving horizon, but it does not settle the meaning of “destruction of the flesh.” The phrase may indicate bodily chastisement, the breaking of sinful fleshly practice, social loss outside ecclesial protection, or another severe consequence Paul leaves undefined. It must not be turned into body-spirit dualism. The body is God’s creation and will soon be called a member of Christ and a temple of the Holy Spirit.

This is an apostolic and assembled ecclesial act “in the name” and “with the power” of the Lord Jesus. It gives no permission for lay vigilantism, family coercion, physical harm, public exposure, rumor, or humiliation. Proper pastoral authority, accountable process, and the salvation of the person govern the action. Where abuse, coercion, crime, or danger is present, protection and lawful reporting serve truth; mourning must never become concealment for the sake of a community’s reputation.

Gems from the Fathers 💎

Saint John Chrysostom reads Paul’s severity medicinally. He says Paul is “opening unto him the doors of repentance, and delivering up such an one as it were to a schoolmaster.”3 The command remains severe, but its purpose is recovery. The boundary tells the truth so that the sinner may awaken and return.

Chrysostom also understands “destruction of the flesh” in terms of bodily chastisement. That is his direct interpretation, not a lexical certainty built into the Greek phrase. Paul gives the Church no permission to seek bodily harm. What Paul makes explicit is the hoped-for end: salvation “in the day of the Lord Jesus.”

Christ Our Passover and the Unleavened Church (1 Corinthians 5:6-8)

6 Your glorying is not good. Do you not know that a little leaven leavens the whole lump? 7 Therefore purge out the old leaven, that you may be a new lump, since you truly are unleavened. For indeed Christ, our Passover, was sacrificed for us. 8 Therefore let us keep the feast, not with old leaven, nor with the leaven of malice and wickedness, but with the unleavened bread of sincerity and truth.

Paul now reveals the chapter’s theological center: “Christ, our Passover, was sacrificed for us.” Discipline is not moral housekeeping or an institution protecting its image. It belongs to Paschal life. The Church cleanses the old leaven because Christ has already made her a new people through His sacrifice.

The order of Paul’s words carries the Gospel. “Purge out” uses ἐκκαθάρατε (ekkatharate), a forceful cleansing imperative, while “you truly are unleavened” names an identity already given.4 Paul does not tell the Church to cleanse herself into acceptance. She removes the old leaven because she already belongs to the sacrificed Christ. Repentance answers grace; it does not purchase grace.

Leaven works quietly through the whole lump. Paul does not claim that every member shares the offender’s guilt. He warns that publicly protected sin teaches the entire Body a lie: holiness is optional, repentance is unnecessary, and communion can remain truthful while grave sin is defended. Chrysostom sees the communal danger clearly: although the offense belongs to one man, “if neglected it hath power to waste the rest of the body of the Church also.”5 His image describes the formative power of tolerated, unrepented conduct. It must never be used to brand survivors, tempted people, wounded people, or repentant sinners as contaminants.

Nor is “old leaven” an ethnic label for Jews or Judaism. Paul receives Israel’s Passover as holy scriptural language and names Christ as its fulfillment. He then identifies the leaven directly as “malice and wickedness.” The cleansing begins with the Church’s own life.

Verse 8 moves from removal to celebration. ἑορτάζωμεν (heortazōmen) means “let us keep the feast” or “let us celebrate the feast”; εἰλικρίνεια (eilikrineia) and ἀλήθεια (alētheia) name sincerity or purity and truth.6 Paul’s positive goal is a sustained common life in which worship and conduct agree. The Church does not cleanse merely to become empty of evil. She keeps the feast as a people made truthful in Christ.

Chrysostom notices Paul’s sacrificial verb: “He said not, hath died, but more in point to the subject in hand, ‘hath been sacrificed.’”7 Christ’s sacrifice keeps this passage from collapsing into discipline policy. The Church’s holiness begins at the Cross and takes the form of Paschal communion in sincerity and truth.

The Church’s Voice in Worship ⛪

The Coptic lectionary places most of this chapter within the Church’s season of cleansing. The Thursday of the first week of Great Lent includes 1 Corinthians 5:1-9 within a Pauline reading that begins at 4:16. The Monday of the third week of Great Lent includes 5:9-6:5. A third occurrence, on the first Sunday of Amshir, joins 5:11-13 to 6:1-11.8910

These are partial and overlapping ranges; 1 Corinthians 5:1-13 is not appointed as one continuous lectionary unit. The two Lenten readings nevertheless give the chapter a clear ascetical setting. Fasting exposes the old leaven within the Church, calls pride to mourning, joins correction to reconciliation, and prepares the faithful to keep the feast with sincerity and truth. This is cleansing under Christ our Passover, not reputation management.

Judgment Inside, Mercy Toward the World (1 Corinthians 5:9-13)

9 I wrote to you in my epistle not to keep company with sexually immoral people. 10 Yet I certainly did not mean with the sexually immoral people of this world, or with the covetous, or extortioners, or idolaters, since then you would need to go out of the world. 11 But now I have written to you not to keep company with anyone named a brother, who is sexually immoral, or covetous, or an idolater, or a reviler, or a drunkard, or an extortioner— not even to eat with such a person. 12 For what have I to do with judging those also who are outside? Do you not judge those who are inside? 13 But those who are outside God judges. Therefore “put away from yourselves the evil person.”

Paul corrects an overbroad reading of separation. Holiness cannot mean abandoning ordinary life among people outside the Church; that would require leaving the world. Christians remain present to neighbors, relatives, coworkers, and strangers in mercy, service, and truthful witness. The stricter case concerns “anyone named a brother” who openly persists in grave conduct while claiming Christian communion.

The Greek reinforces that scope. “Not to keep company” uses συναναμίγνυσθαι (sunanamignysthai), to associate closely or mix together, while “not even to eat” uses συνεσθίειν (synesthiein), to eat with.11 Paul does not specify enough to settle whether he chiefly means ordinary table fellowship, Eucharistic communion, or both. The certain point is that shared fellowship must tell the truth when someone called a brother protects public, unrepented sin. Proper pastoral authority, mourning, and hope for restoration govern the boundary.

Paul’s list prevents selective holiness. He names sexual immorality alongside covetousness, idolatry, reviling, drunkenness, and extortion. The word ἅρπαξ (harpax) can denote a robber, swindler, or extortioner, so exploitation and predatory greed stand within the warning.11 A community that condemns one visible sexual sin while excusing dishonest gain, verbal cruelty, addiction defended without repentance, or exploitation has refused Paul’s mirror.

“Those who are outside God judges” assigns final judgment to God and closes the door to contempt. It does not suspend lawful protection, reporting, or public accountability when crime, abuse, coercion, fraud, or danger is present. It does restrain the fantasy that the Church’s holiness is proved by condemning the world. Paul places the stricter responsibility within the household of faith, where communion must be truthful.

The final command, ἐξάρατε (exarate), “put away” or “remove,” echoes covenant removal language and keeps the scope internal: “from yourselves.”12 Saint John Chrysostom notes the difference between ecclesial discipline and ancient civil penalties. In the Church, he says, “if through repentance they are absolved, they have escaped the punishment.”13 The boundary is real, and repentance remains possible. Exclusion is therefore neither the Church’s delight nor her final word over a sinner.

This prepares for Session 8 without importing its full argument. Chapter 6 will continue the theme of judgment inside the Church and proclaim the cleansing God has already given: “you were washed,” “you were sanctified,” “you were justified.” Here that coming promise guards the present command from despair. Truthful discipline seeks the life in Christ to which repentance can return.

Spiritual Fruit 🍇

Mourn before you correct. Another person’s public sin can awaken anger, curiosity, or the pleasure of feeling morally clear. Paul first calls the Church to grief before God. Pray for the person by name and ask the Lord to expose pride in your own response. If the matter belongs before church authority, report what is known without embellishment and refuse gossip. Grief does not weaken truth; it keeps truth ordered toward salvation.

Bring the protected habit into Paschal light. “Christ, our Passover, was sacrificed for us.” Name one old leaven you have learned to excuse: a hidden sexual practice, contemptuous speech, dishonest gain, drunkenness, malice, or an appetite guarded as a private right. Bring it to confession. Remove the access or arrangement that feeds it. Make restitution where another person has been harmed. Christ’s mercy reaches what we stop defending.

Let Paul’s whole list examine you. Selective holiness condemns the sin that feels foreign while protecting the sin that feels respectable. Place sexual conduct, money, idolatrous attachments, speech, alcohol, and the use of power before God together. Then answer concretely: apologize for the reviling word, return what was taken, refuse the profitable injustice, or seek accountable help for the appetite that has begun to rule you.

Use boundaries for truth, protection, and possible return. False peace can damage the sinner, the vulnerable, and the Church. When a boundary is needed, let proper pastoral authority name the conduct and consequence. Where danger, abuse, coercion, or crime is present, use safeguarding and lawful protection without delay. Refuse rumor, humiliation, and permanent labels. Pray for repentance while the boundary stands, because Paul’s severe command still looks toward “the day of the Lord Jesus.”

Stay near the world without sharing its falsehood. Paul refuses withdrawal from ordinary contact with outsiders. God judges those outside; the Church’s first responsibility is truth within her own communion. Meet neighbors, relatives, and coworkers without contempt. Listen, serve, and speak honestly when needed. Christian holiness withdraws from sin, not from love.

Footnotes

  1. Greek wording in 1 Corinthians 5:2 checked against BibleHub, “1 Corinthians 5:2 Greek Interlinear,” https://biblehub.com/interlinear/1_corinthians/5-2.htm. ↩

  2. Greek wording in 1 Corinthians 5:5 checked against BibleHub, “1 Corinthians 5:5 Greek Interlinear,” https://biblehub.com/interlinear/1_corinthians/5-5.htm. ↩

  3. Saint John Chrysostom, Homilies on First Corinthians, Homily XV, NPNF1 12, CCEL, https://www.ccel.org/ccel/schaff/npnf112.iv.xvi.html#iv.xvi-p23. ↩

  4. Greek wording in 1 Corinthians 5:7 checked against BibleHub, “1 Corinthians 5:7 Greek Interlinear,” https://biblehub.com/interlinear/1_corinthians/5-7.htm. ↩

  5. Saint John Chrysostom, Homilies on First Corinthians, Homily XV, NPNF1 12, CCEL, https://www.ccel.org/ccel/schaff/npnf112.iv.xvi.html#iv.xvi-p30. ↩

  6. Greek wording in 1 Corinthians 5:8 checked against BibleHub, “1 Corinthians 5:8 Greek Interlinear,” https://biblehub.com/interlinear/1_corinthians/5-8.htm. ↩

  7. Saint John Chrysostom, Homilies on First Corinthians, Homily XV, NPNF1 12, CCEL, https://www.ccel.org/ccel/schaff/npnf112.iv.xvi.html#iv.xvi-p42. ↩

  8. Coptic Orthodox lectionary, Pauline Epistle for Thursday of the first week of Great Lent, 2026 example row, https://copticchurch.net/readings?g_year=2026&g_month=02&g_day=19. ↩

  9. Coptic Orthodox lectionary, Pauline Epistle for Monday of the third week of Great Lent, 2026 example row, https://copticchurch.net/readings?g_year=2026&g_month=03&g_day=02. ↩

  10. Coptic Orthodox lectionary, Pauline Epistle for the first Sunday of Amshir, 2026 example row, https://copticchurch.net/readings?g_year=2026&g_month=02&g_day=08. ↩

  11. Greek wording in 1 Corinthians 5:11 checked against BibleHub, “1 Corinthians 5:11 Greek Interlinear,” https://biblehub.com/interlinear/1_corinthians/5-11.htm. ↩ ↩2

  12. Greek wording in 1 Corinthians 5:13 checked against BibleHub, “1 Corinthians 5:13 Greek Interlinear,” https://biblehub.com/interlinear/1_corinthians/5-13.htm. ↩

  13. Saint John Chrysostom, Homilies on First Corinthians, Homily XVI, NPNF1 12, CCEL, https://www.ccel.org/ccel/schaff/npnf112.iv.xvii.html#iv.xvii-p12. ↩

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