Aaron, Son of Mosiah See also Mosiah, Son of Benjamin; Mosiah, Sons of In the Book of Mormon, a son of King Mosiah. Aaron served as a missionary whose diligent efforts helped to convert many souls to Christ. Was an unbeliever who sought to destroy the Church, Mosiah 27:8–10, 34. An angel appeared to him and his companions, Mosiah 27:11. Repented and began preaching the word of God, Mosiah 27:32–28:8. Refused to be named king and went instead to the land of the Lamanites to preach the word of God, Alma 17:6–9. Fasted and prayed for guidance, Alma 17:8–11. Taught King Lamoni’s father, Alma 22:1–26. Went to preach to the Zoramites, Alma 31:6–7.