King James Version

What Does Luke 15:30 Mean?

Luke 15:30 in the King James Version says “But as soon as this thy son was come, which hath devoured thy living with harlots, thou hast killed for him the fatted c...” — study this verse from Luke chapter 15 with commentary, cross-references, and original Greek word analysis.

“But as soon as this thy son was come, which hath devoured thy living with harlots, thou hast killed for him the fatted calf.”

Luke 15:30 · KJV

Context

28

And he was angry, and would not go in: therefore came his father out, and intreated him.

29

And he answering said to his father, Lo, these many years do I serve thee, neither transgressed I at any time thy commandment: and yet thou never gavest me a kid, that I might make merry with my friends:

30

But as soon as this thy son was come, which hath devoured thy living with harlots, thou hast killed for him the fatted calf.

31

And he said unto him, Son, thou art ever with me, and all that I have is thine.

32

It was meet that we should make merry, and be glad: for this thy brother was dead, and is alive again; and was lost, and is found.

Read Luke 15 full chapter

Commentary

KJV Study Commentary
But as soon as this thy son was come, which hath devoured thy living with harlots, thou hast killed for him the fatted calf. The elder brother's words drip with contempt and theological error. He refuses family language, saying "this thy son" (ὁ υἱός σου οὗτος, ho huios sou houtos) rather than "my brother"—he disowns the relationship. This dismissive pronoun "this" (οὗτος, houtos) expresses disdain, reducing his brother to an object of scorn. He won't acknowledge family connection, revealing how self-righteousness destroys Christian community and love.

The accusation "devoured thy living with harlots" (κατέφαγεν τὸν βίον σου μετὰ πορνῶν, katephagen ton bion sou meta pornōn) adds details not in the earlier narrative. While the father spoke of the son being "lost" and "dead" (v. 24, 32), the elder brother specifies sexual sin with prostitutes. Whether this is factual (learned from the servant) or assumed (contemptuous speculation), it reveals his judgmental heart. He maximizes his brother's guilt to minimize the father's grace.

The contrast "for him the fatted calf" emphasizes the perceived injustice—the sinner gets the feast, the faithful gets nothing. This exposes the fundamental error of merit theology: grace appears unjust to those who believe they've earned God's favor. The elder brother cannot celebrate because he's never understood that he too lives by grace, not merit. His perfect external obedience (v. 29) masked internal resentment, pride, and lovelessness—sins as deadly as the prodigal's prostitution.

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Historical & Cultural Context

Inheritance squandered on prostitutes represented the depth of covenant violation—not only wasting family resources but defiling oneself with sexual immorality, compounding rebellion with ritual uncleanness. The elder brother's emphasis on this detail appeals to Jewish law's severity toward sexual sin, attempting to justify his resentment as righteous indignation. However, his bitter spirit reveals that his objection is not God's holiness but his own wounded pride.

Reflection Questions

  1. What does the elder brother's refusal to call the prodigal 'my brother' reveal about how self-righteousness destroys Christian fellowship?
  2. How does his emphasis on the prodigal's sexual sin while ignoring his own pride, anger, and lovelessness illustrate selective moral accounting?
  3. In what ways do believers today resent God's grace to notorious sinners while minimizing their own subtle sins?

Original Language Analysis

Greek · 20 words
ὅτε1 of 20

“as soon as”

G3753

at which (thing) too, i.e., when

δὲ2 of 20

“But”

G1161

but, and, etc

τὸν3 of 20

“which”

G3588

the (sometimes to be supplied, at others omitted, in english idiom)

υἱός4 of 20

“son”

G5207

a "son" (sometimes of animals), used very widely of immediate, remote or figuratively, kinship

σου5 of 20

“thy”

G4675

of thee, thy

οὗτος6 of 20

“this”

G3778

the he (she or it), i.e., this or that (often with article repeated)

τὸν7 of 20

“which”

G3588

the (sometimes to be supplied, at others omitted, in english idiom)

καταφαγών8 of 20

“hath devoured”

G2719

to eat up, i.e., devour (literally or figuratively)

σου9 of 20

“thy”

G4675

of thee, thy

τὸν10 of 20

“which”

G3588

the (sometimes to be supplied, at others omitted, in english idiom)

βίον11 of 20

“living”

G979

life, i.e., (literally) the present state of existence; by implication, the means of livelihood

μετὰ12 of 20

“with”

G3326

properly, denoting accompaniment; "amid" (local or causal); modified variously according to the case (genitive association, or accusative succession)

πορνῶν13 of 20

“harlots”

G4204

a strumpet; figuratively, an idolater

ἦλθεν14 of 20

“was come”

G2064

to come or go (in a great variety of applications, literally and figuratively)

ἔθυσας15 of 20

“thou hast killed”

G2380

properly, to rush (breathe hard, blow, smoke), i.e., (by implication) to sacrifice (properly, by fire, but genitive case); by extension to immolate (s

αὐτῷ16 of 20

“for him”

G846

the reflexive pronoun self, used (alone or in the comparative g1438) of the third person, and (with the proper personal pronoun) of the other persons

τὸν17 of 20

“which”

G3588

the (sometimes to be supplied, at others omitted, in english idiom)

μόσχον18 of 20

“calf”

G3448

a young bullock

τὸν19 of 20

“which”

G3588

the (sometimes to be supplied, at others omitted, in english idiom)

σιτευτὸν20 of 20

“the fatted”

G4618

grain-fed, i.e., fattened

Study Guide

Historical Context

This verse is found in the book of Luke. Understanding the historical and cultural background helps illuminate its meaning for the original audience and for us today.

Theological Significance

Luke 15:30 contributes to our understanding of God's character and His relationship with humanity. Consider how this verse connects to the broader themes of Scripture.

Cross-References

Verses related to Luke 15:30 from Treasury of Scripture Knowledge

Proverbs 29:3Luke 15:12-13Luke 15:32Luke 18:11Exodus 32:11Luke 15:22-23

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