2 John 1:11
For he that biddeth him God speed is partaker of his evil deeds.
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2 John 1:10
If there come any unto you, and bring not this doctrine, receive him not into your house, neither bid him God speed:
Titus 3:10
A man that is an heretick after the first and second admonition reject;
2 Thessalonians 3:6
Now we command you, brethren, in the name of our Lord Jesus Christ, that ye withdraw yourselves from every brother that walketh disorderly, and not after the tradition which he received of us.
1 Corinthians 5:11
But now I have written unto you not to keep company, if any man that is called a brother be a fornicator, or covetous, or an idolater, or a railer, or a drunkard, or an extortioner; with such an one no not to eat.
2 Timothy 3:5
Having a form of godliness, but denying the power thereof: from such turn away.
Romans 16:17
Now I beseech you, brethren, mark them which cause divisions and offences contrary to the doctrine which ye have learned; and avoid them.
Romans 16:18
For they that are such serve not our Lord Jesus Christ, but their own belly; and by good words and fair speeches deceive the hearts of the simple.
2 Thessalonians 3:14
And if any man obey not our word by this epistle, note that man, and have no company with him, that he may be ashamed.
Matthew 18:17
And if he shall neglect to hear them, tell it unto the church: but if he neglect to hear the church, let him be unto thee as an heathen man and a publican.
1 Timothy 6:5
Perverse disputings of men of corrupt minds, and destitute of the truth, supposing that gain is godliness: from such withdraw thyself.
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1 Timothy 5:22
Lay hands suddenly on no man, neither be partaker of other men's sins: keep thyself pure.
Ephesians 5:11
And have no fellowship with the unfruitful works of darkness, but rather reprove them.
Revelation 18:4
And I heard another voice from heaven, saying, Come out of her, my people, that ye be not partakers of her sins, and that ye receive not of her plagues.
2 Corinthians 6:17
Wherefore come out from among them, and be ye separate, saith the Lord, and touch not the unclean thing; and I will receive you,
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