5 Bible Verses about No Dealings

So the Samaritan woman said to Him, "How is it that a Jew like you asks a Samaritan woman like me for a drink?" For Jews have nothing to do with Samaritans.

I wrote you in my letter to stop associating with sexually immoral people --

If anyone refuses to obey what we have said in this letter, mark that person and stop having anything to do with him, so that he will feel ashamed of it.

Now what I really meant was for you to stop associating with any so-called brother, if he is sexually immoral, a greedy grasper, an idolater, a slanderer, a drunkard, or a swindler -- with such a person you must even stop eating.