When Moses was commissioned to appear before Pharaoh and to bring the Israelites out of Egypt, Jehovah appointed Aaron to accompany Moses and speak representatively for him.
(‏ خرو ۴ :‏ ۱۰ -‏ ۱۶ )‏ موسی و هارون مطیع یَهُوَه بودند و بارها در مقابل پادشاه مصر حاضر شدند .‏