'Men' in the Bible

For certain men have secretly slipped in among you -- men who long ago were marked out for the condemnation I am about to describe -- ungodly men who have turned the grace of our God into a license for evil and who deny our only Master and Lord, Jesus Christ.

Yet these men, as a result of their dreams, defile the flesh, reject authority, and insult the glorious ones.

But these men do not understand the things they slander, and they are being destroyed by the very things that, like irrational animals, they instinctively comprehend.

These men are dangerous reefs at your love feasts, feasting without reverence, feeding only themselves. They are waterless clouds, carried along by the winds; autumn trees without fruit -- twice dead, uprooted;