For rulers are not a terror to good works, but to the evil. Will you then not be afraid of the power? do that which is good, and you shall have praise of the same:
All Commentaries on Romans 13:3 Go To Romans 13
Rulers here are kings who are created in order to correct behavior and prevent bad things from happening. They have the image of God, because everyone else is under one head. Commentary on Paul’s Epistles.