King James Version
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.English Standard Version
If anyone does not obey what we say in this letter, take note of that person, and have nothing to do with him, that he may be ashamed.New International Version
If anyone does not obey our instruction in this letter, take special note of him. Do not associate with him, in order that he may feel ashamed.