The lower of the two priesthoods. Worthy boys receive this priesthood at the age of 12. Ranks/Offices in this priesthood include deacon, teacher, priest, and bishop. See Priesthood, Melchizedek.
The lesser priesthood which includes the offices of deacon, teacher, priest and bishop; conferred on faithful male members beginning at age 12. Responsibilities of Aaronic priesthood include preparing and offering the sacrament (communion) to Church members during Sunday worship services, visiting and teaching members in their homes, collecting contributions for the poor, and baptizing.