If a descendant of Aaron has a skin disease or a discharge, he may not eat the sacred offerings until he is clean. Whoever touches anything defiled by a corpse or by a man who has an emission of semen,
Those that had a natural blemish, though they were forbidden to do the priests' work, were yet allowed to eat of the holy things: and the Jewish writers say that "to keep them from idleness they were employed in the wood-room, to pick out that which was worm-eaten, that it might not be used in the fire upon the altar; they might also be employed...
Commenting on Leviticus 22:1-9
What man soever of the seed of Aaron is a leper,.... A young, or an old man, as the Targum of Jonathan, and indeed man or woman; for the wives and daughters of the priests, if in this, and other circumstances following, might not eat of the holy things until cleansed, who otherwise might, see Lev 13:2, or hath a running issue; a gonorrhoea, whether...
wash his flesh with water--Any Israelite who had contracted a defilement of such a nature as debarred him from the enjoyment of his wonted privileges, and had been legally cleansed from the disqualifying impurity, was bound to indicate his state of recovery by the immersion of his whole person in water.