Matthew 18:17
If he refuses to listen to them, tell it to the church; and if he refuses to listen even to the church, let him be to you as a Gentile and a tax collector.
John 15:2
Every branch in me that bears no fruit he takes away; and every branch that does bear fruit he prunes, so that it may bear more fruit.
1 Corinthians 5:5-6
you are to deliver this man to Satan for the destruction of the flesh, so that his spirit may be saved in the day of the Lord Jesus.
1 Corinthians 5:13
God judges those outside. "Expel the wicked man from among you."
Titus 3:10
Warn a man who is factious once, and then warn him a second time. After that, have nothing to do with him,
2 John 1:10-11
If anyone comes to you and does not bring this teaching, do not receive him into your house or give him any greeting;
Revelation 2:2
I know your works, your toil and your patient endurance. I know that you cannot bear evil men, but you have tested those who call themselves apostles and are not, and have found them to be false;
Revelation 2:6
But this you have, that you hate the deeds of the Nicolaitans, which I also hate.
Revelation 2:14-16
But I have a few things against you: you have some there who hold the teaching of Balaam, who taught Balak to put a stumbling block before the sons of Israel, to eat food sacrificed to idols and to practice sexual immorality.
Revelation 2:20
Nevertheless I have this against you, that you tolerate the woman Jezebel, who calls herself a prophetess and is teaching and beguiling my servants to practice sexual immorality and to eat food sacrificed to idols.
Revelation 22:15
Outside are the dogs and the sorcerers and the immoral persons and the murderers and the idolaters, and everyone who loves and practices falsehood.