1 Corinthians 11:19
And indeed, there must be differences among you to show which of you are approved.

1 Corinthians 11:21
For as you eat, many of you proceed with your own meal to the exclusion of others. While one remains hungry, another gets drunk.

Jude 1:12
These men are the hidden reefs in your love feasts, shamelessly feasting with you but shepherding only themselves. They are clouds without water, carried along by the wind; fruitless trees in autumn, twice dead after being uprooted.