A man that is an heretick after the first and second admonition reject; —This is the dogmatic person who has made his own belief the standard for truth. The factious man will divide the church if left unchecked. Notice that Paul instructs Titus to admonish this man two times in hope that he will repent of his ways and turn to the truth of God’s word. If it is the case that the heretick will not change then he is to be rejected or put out of the congregation.