Lawyers, Judges, Police, Army, Marines, FBI, Security Guards, and anyone who swears an oath to upkeep the laws that are written by high order officials.
This page of Lawmen leads to stories based of facts about those professionals who earn a living by administering the laws of the land.
Social systems obviously require laws in order to keep some structure. Authority is not necessarily a bad thing.
If you are looking for information on the good things about lawmen then start on this page and you will find good intentions at work.