He shall eat the bread of his God. He permits them indeed to eat of the sacrifices, because no uncleanness on account of their natural defects could prevent them from partaking of the sacred meals; they are only forbidden to appear in God's presence as mediators to propitiate Him. And here the imperfection of the legal service betrays itself; for nothing could be found among men which could fully represent the truth. Since then the defects of men rendered it necessary to separate the two connected things, viz., the honor and the burden, hence the Israelites were admonished that another priest was promised them, in whom nothing would be wanting for the consummation of all virtues and perfection. Finally, Moses relates that he delivered God's commands not only to Aaron and his sons, but to all the people likewise; so that the humblest of them might be the censor of the priests if in anything they fell short.

See Leviticus 2:3 note; Leviticus 6:25 note.

He shall eat the bread of his God, [both] of the (q) most holy, and (r) of the holy.
(q) As of sacrifice for sin.
(r) As of the tithes and first fruits.

He shall eat the bread of his God,.... That part of the sacrifices which was appropriated by the Lord to the priests, for the maintenance of them and their families; for though their natural infirmities disqualified them for service, yet they did not become hereby impure, either in a moral nor ceremonial sense, and might eat of the sacrifices, which impure persons might not; and so the tradition is, blemished persons, whether their blemishes are fixed or transient, may divide and eat, but not offer (g); these being priests, and having no inheritance, nor any way of getting their livelihood, provision is made for them that they might not perish through their defects in nature, which were not voluntary and brought upon them by themselves, but by the providence of God; and such were allowed to eat
both of the most holy and of the holy; there were things the priests eat of, which were most holy, as what remained of the meat offerings, and of the sin offerings, and of the trespass offerings, which only the males of the priest's family might eat of, and that only in the holy place; and there were others less holy, the lighter holy things, as the Jews call them, as the wave breast, and heave shoulder, and the tithes and firstfruits, which were eaten of by all in their families, their daughters as well as their sons, and in their own houses; now of each of these might the blemished priests eat; see Numbers 18:9, &c.
(g) Misn. Zebachim, c. 12. sect. 1.

Persons afflicted in the manner described might eat the bread of their God, however, the sacrificial gifts, the most holy and the holy, i.e., the wave-offerings, the first-fruits, the firstlings, tithes and things laid under a ban (Numbers 18:11-19 and Numbers 18:26-29), - that is to say, they might eat them like the rest of the priests; but they were not allowed to perform any priestly duty, that they might not desecrate the sanctuary of the Lord (Leviticus 21:23, cf. Leviticus 21:12).

He shall eat - Which a priest having any uncleanness might not do whereby God would shew the great difference between natural infirmities sent upon a man by God, and moral defilements which a man brought upon himself.