Bible verses about "apostates" | Darby

¹¹ But now I have written to you, if any one called brother be fornicator, or avaricious, or idolater, or abusive, or a drunkard, or rapacious, not to mix with [him]; with such a one not even to eat.

¹⁰ If any one come to you and bring not this doctrine, do not receive him into [the] house, and greet him not; ¹¹ for he who greets him partakes in his wicked works.