This letter is written by Jude, another brother of Jesus.

He warns against those who've taken the gospel and twisted it to suit their own desires, which are immoral, 1:4 "For certain men whose condemnation was written about long ago have secretly slipped in among you. They are godless men who change the grace of our God into a license for immorality and deny Jesus Christ our only Sovereign and Lord."

Again, Christians are to have nothing to do with such teachings, or such teachers.

Authored by LB