II Thessalonians 3:13

For we hear of some who walk among you in rebellion, who do not work at all, but are busybodies.

Now those who are that way, we command and exhort in the Lord Jesus Christ, that with quietness they...

If any man does not obey our word in this letter, note that man, that you have no company with him, ...

Do not count him as an enemy, but admonish him as a brother.