It is said that intercession is a sort of mediation. We see nothing wrong with that, as God Himself accepted mediation and He demanded it. He asked Abimelech to let Abraham pray for him so that he would live (Gen.20: 7), and He asked Job's friends to let Job pray for them lest He treat them according to their follies (Job.42: 8). He allowed Abraham to plead for Sodom (Gen. 18) and allowed Moses to plead for the sake of the people of Israel. He listened to them and accepted their pleadings..