The Biblical Prescription For Dealing With False Teachers
1 John 4:1
Beloved, believe not every spirit, but try the spirits whether they are of God: because many false prophets are gone out into the world.
Now I beseech you, brethren, mark them which cause divisions and offences contrary to the doctrine which ye have learned; and avoid them.
This witness is true. Wherefore rebuke them sharply, that they may be sound in the faith;
And have no fellowship with the unfruitful works of darkness, but rather reprove them.
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.
2 Timothy 3:5
Having a form of godliness, but denying the power thereof: from such turn away.
2 John 1:10-11
If there come any unto you, and bring not this doctrine, receive him not into your house, neither bid him God speed: For he that biddeth him God speed is partaker of his evil deeds.
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.
A man that is an heretic after the first and second admonition reject;
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,