American Standard Version
A factious man after a first and second admonition refuse;

Amplified® Bible
[As for] a man who is factious [a heretical sectarian and cause of divisions], after admonishing him a first and second time, reject [him from your fellowship and have nothing more to do with him],

Contemporary English Version
Warn troublemakers once or twice. Then don't have anything else to do with them.

Darby English Version
An heretical man after a first and second admonition have done with,

Good News Bible
Give at least two warnings to those who cause divisions, and then have nothing more to do with them.

International Standard Version
Have nothing to do with a person who causes divisions after you have warned him once or twice.

King James Version
A man that is an heretick after the first and second admonition reject;

New American Standard Bible
Reject a factious man after a first and second warning,

New International Version
Warn a divisive person once, and then warn him a second time. After that, have nothing to do with him.

New King James Version
Reject a divisive man after the first and second admonition,

N.A.S.B. in E-Prime
Reject a factious man after a first and second warning,

Young's Literal Translation
A sectarian man, after a first and second admonition be rejecting,

New English Translation
Reject a divisive person after one or two warnings.