For he is God's servant for your benefit. But if you do what is wrong, be afraid. He does not wear the sword to no purpose: he is God's servant–an administrator to inflict punishment upon evil-doers.
and that in this matter there be no encroaching on the rights of a brother Christian and no overreaching him. For the Lord is an avenger in all such cases, as we have already taught you and solemnly warned you.