כֹּהֵן kôhên (H3548)

literally one officiating, a priest; also (by courtesy) an acting priest (although a layman)

1) priest, principal officer or chief ruler 1a) priest-king (Melchizedek, Messiah) 1b) pagan priests 1c) priests of Jehovah 1d) Levitical priests 1e) Zadokite priests 1f) Aaronic priests 1g) the high priest

active participle of כָּהַן (H3547);