Teacher, Aaronic Priesthood See also Priesthood, Aaronic; Teacher teacher’s duty is to watch over the church, D&C 20:53 (20:52–59; 84:111). teachers shall have their stewardships, D&C 42:70. offices of teacher and deacon are necessary, D&C 84:30. president over the office of the teachers, D&C 107:86. See also 1 Cor. 12:28; Eph. 4:11.