priest's office for # 02_EXO_40_15 # And thou shalt anoint them, as thou didst anoint their father, that they may minister unto me in the priest's office: for their anointing shall surely be an everlasting priesthood throughout their generations. 
priest's office for # 04_NUM_18_07 # Therefore thou and thy sons with thee shall keep your priest's office for every thing of the altar, and within the veil; and ye shall serve: I have given your priest's office [unto you as] a service of gift: and the stranger that cometh nigh shall be put to death.