There shall no stranger eat of the holy thing: a sojourner of the priest, or an hired servant, shall not eat of the holy thing.
10 There shall no stranger. It was also necessary to add this, that the majesty of sacred things might not be impaired; for if it had been promiscuously permitted to all to eat of the sacred bread and the other oblations, the people would have straightway inferred that they differed not from ordinary food.
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.
Commenting on Leviticus 22:10-16
There shall no stranger eat of the holy thing,.... Any one of the holy things, as the heave shoulder, wave breast, &c. by a "stranger" is not meant one of another nation; though indeed all such were called strangers, and might not eat of these things, Eph 2:12; but one that was not of the family of a priest, though he might be an Israelite...