What Is A Qareen?
Man will be punished for his sins. The record prepared by the angel is to establish the evidence in the court of Allah. God does not assign Satan to people. People invited them with their sins. It is nothing different from joining a bad company when one is seeking it. This general law is ascribed to God in the sense that God has created the whole system which works according to its rule that one who wants good will find good and the one who seeks evil will find evil. This satan can be a human or a jinn.