Thematic Bible: Excluded from priest's office

Give orders to Aaron and to his sons to keep themselves separate from the holy things of the children of Israel which they give to me, and not to make my holy name common: I am the Lord, Say to them, If any man of all your seed through all your generations, being unclean, comes near the holy things which the children of Israel make holy to the Lord, he will be cut off from before me: I am the Lord. No man of the seed of Aaron who is a leper, or who has a flow from his body, may take of the holy food till he is clean. And any man touching anything which is unclean because of the dead, or any man whose seed goes from him;