John Gills Exposition of the Bible Commentary - Leviticus 22:14
And if a man eat of the holy thing unwittingly ,.... Either not knowing that it is an holy thing, or the heave offering, or any thing of that kind; or else is ignorant of the punishment of such an action, as Gersom observes; and this is to be understood of any man that was not a priest, or was not of the priest's family, even any common Israelite; so the Targum of Jonathan, a man of Israel, or an Israelite, one of the common people: then he shall put a fifth part thereof unto it ; a... read more
Matthew Henry's Complete Commentary - Leviticus 22:10-16
The holy things were to be eaten by the priests and their families. Now, I. Here is a law that no stranger should eat of them, that is, no person whatsoever but the priests only, and those that pertained to them, Lev. 22:10. The priests are charged with this care, not to profane the holy things by permitting the strangers to eat of them (Lev. 22:15) or suffer them to bear the iniquity of trespass (Lev. 22:16); that is, suffer them to bring guilt upon themselves, by meddling with that which... read more