The first mention of a priest in the Bible is in Genesis 14:18. In fact, it isn’t even the priesthood that God, Himself would institute for the Israelites but is Melchizedek, who Abraham encountered long before the institution of the Levitical priesthood which we see in Exodus 28:1–4, “ And take thou unto thee Aaron thy brother, and his sons with him, from among the children of Israel, that he may minister unto me in the priest’s office, even Aaron, Nadab and Abihu, Eleazar and Ithamar, Aaron’s sons. And thou shalt make holy garments for Aaron thy brother for glory and for beauty. And thou shalt speak unto all that are wise hearted, whom I have filled with the spirit of…