WRITER, Probably Jude, the brother of James. If this is true he may have been a brother of our Lord.
Mr 6:3 Gal 1:19
The Lord's brothers did not believe in him at first, Joh 7:5; but after his resurrection they became his followers.
Ac 1:14
It is possible that Jude, because of his early unbelief, felt that he was not worthy to sign himself as brother of Jesus, so in writing the epistle he called himself a servant
Jude 1
MAIN PURPOSE. The epistle was evidently written especially to warn the church against immoral teachers and alarming heresies which were endangering the faith of believers.
KEY VERSES
Jude 3,4
SYNOPSIS.
(1) The salutation
Jude 1,2
(2) The occasion of the epistle and an exhortation concerning the defense of the faith, because of the invasion of immoral and heretical teachers
Jude 3,4
(3) Warnings from God's dealings with sinners in the past.
(a) The punishment of Israel for unbelief
Jude 5
(b) The fate of the fallen angels and the corrupt Sodomites
Jude 6,7
(4) The characteristics of the depraved teachers described, and a woe pronounced upon them
Jude 8-13
(5) References to prophecies.
(a) Of Enoch, who foretold the doom of ungodly men
Jude 14-16
(b) Of the apostles, concerning mockers in the last days
Jude 17-19
(6) A summary of Christian duties:
(a) Mutual edification and prayerfulness
Jude 20
(b) Love toward God and trust in Christ for eternal salvation
Jude 21
(c) Activity in soul-winning
Jude 22,23
(7) The benediction
Jude 24,25
(Outline from Thompson’s Chain Reference Bible)