YOU WILL KNOW THEM BY THEIR FRUIT

Jude 12-14
12 These are hidden reefs (elements of danger) in your love feasts, where they boldly feast sumptuously [carousing together in your midst], without scruples providing for themselves [alone]. They are clouds without water, swept along by the winds; trees, without fruit at the late autumn gathering time — twice (doubly) dead, [lifeless and] plucked up by the roots;
13 Wild waves of the sea, flinging up the foam of their own shame and disgrace; wandering stars, for whom the gloom of eternal darkness has been reserved forever.
14 It was of these people, moreover, that Enoch in the seventh [generation] from Adam prophesied when he said, Behold, the Lord comes with His myriads of holy ones (ten thousands of His saints)
AMP