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 give him any greeting,
Titus 3:10
Reject a divisive person after one or two warnings.
Galatians 1:8-9
But even if we (or an angel from heaven) should preach a gospel contrary to the one we preached to you, let him be condemned to hell!
Romans 16:17-18
Now I urge you, brothers and sisters, to watch out for those who create dissensions and obstacles contrary to the teaching that you learned. Avoid them!
1 Corinthians 5:11
But now I am writing to you not to associate with anyone who calls himself a Christian who is sexually immoral, or greedy, or an idolater, or verbally abusive, or a drunkard, or a swindler. Do not even eat with such a person.
2 Thessalonians 3:6
But we command you, brothers and sisters, in the name of our Lord Jesus Christ, to keep away from any brother who lives an undisciplined life and not according to the tradition they received from us.
2 Thessalonians 3:14
But if anyone does not obey our message through this letter, take note of him and do not associate closely with him, so that he may be ashamed.
Genesis 24:12
He prayed, "O Lord, God of my master Abraham, guide me today. Be faithful to my master Abraham.
Psalm 129:8
Those who pass by will not say, "May you experience the Lord's blessing! We pronounce a blessing on you in the name of the Lord."
1 Corinthians 16:22
Let anyone who has no love for the Lord be accursed. Our Lord, come!
2 Timothy 3:5-6
They will maintain the outward appearance of religion but will have repudiated its power. So avoid people like these.
2 John 1:11
because the person who gives him a greeting shares in his evil deeds.