'Priestly' in the Bible

And it shall come to pass that every one that is left of thy house shall come to crouch to him for a small piece of silver and for a cake of bread, and shall say, Put me, I pray thee, into one of the priestly offices, that I may eat a morsel of bread.

I will greatly rejoice in Jehovah, my soul shall be joyful in my God; for he hath clothed me with the garments of salvation, he hath covered me with the robe of righteousness, as a bridegroom decketh himself with the priestly turban, and as a bride adorneth herself with her jewels.

And it came to pass, as he fulfilled his priestly service before God in the order of his course,

and Annas the high priest, and Caiaphas, and John, and Alexander, and as many as were of the high priestly family;