until Yahweh have given your brothers rest, as [he has given] you, and they also have possessed the land which Yahweh your God gives them: then you shall return to the land of your possession, and possess it, which Moses the servant of Yahweh gave you beyond the Jordan toward the sunrise.
Jesus said, "If any man would be chief among you, let him be the servant of all"( Mark 10:44 ). So a true minister is a man who is there not to be ministered to, but who is there to serve the needs of the people. So when it reads that he was Moses' servant, or his minister, it means that he was Moses' personal servant. He accompanied Moses, he helped Moses do the things, and Moses was, he was just his valet sort of, just his servant.