Priests means in the bible: A Hebrew priest’s primary function was to act as a mediator between God and his people by participating in sacrifice and worship. His office allowed him to be close to God while his people, due to their sins or infirmities, had to remain far away. He performed his duties primarily at the altar, offering sacrifices and most importantly the incense Num. 16:40; 18:2-3, 5, 7; Deut. Deut. 10:10, 11; Deut. 33:10; Mal. 2:7 by communicating the divine will Num to them 27:21 and blessing them with the name of Lord Num. 6:22-27.
(in Bible Dictionary)