2 John 1:10
If anyone comes to you and does not bring this teaching, do not receive him into [your] house and do not speak a greeting to him,
Titus 3:10
Reject a divisive person after a first and second admonition,
Galatians 1:8-9
But even if we or an angel from heaven should proclaim a gospel to you contrary to what we proclaimed to you, let him be accursed!
Romans 16:17-18
Now I exhort you, brothers, to look out for those who cause dissensions and temptations contrary to the teaching which you learned, and stay away from them.
1 Corinthians 5:11
But now I have written to you not to associate with any so-called brother, if he is a sexually immoral person or a greedy person or an idolater or an abusive person or a drunkard or a swindler--with such a person not even to eat.
2 Thessalonians 3:6
But we command you, brothers, in the name of our Lord Jesus Christ, [that] you keep away from every brother who lives irresponsibly and not according to the tradition that they received from us.
2 Thessalonians 3:14
But if anyone does not obey our message through this letter, take note not to associate with him, in order that he may be put to shame.
Genesis 24:12
And he said, "O Yahweh, God of my master Abraham, please grant me success today and show loyal love to my master Abraham.
Psalm 129:8
so that passersby do not say, "The blessing of Yahweh [be] upon you. We bless you in the name of Yahweh."
1 Corinthians 16:22
If anyone does not love the Lord, let him be accursed. O Lord, come!
2 Timothy 3:5-6
maintaining a form of godliness, but denying its power. Avoid these [people].
2 John 1:11
because the one who speaks a greeting to him shares in his evil deeds.