Bible: 1 Cor 5:10-11

5:10 In no way did I mean the immoral people of this world, or the greedy and swindlers and idolaters, since you would then have to go out of the world. 5:11 But now I am writing to you not to associate with anyone who calls himself a Christian 1  who is sexually immoral, or greedy, or an idolater, or verbally abusive, 2  or a drunkard, or a swindler. Do not even eat with such a person.
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