19 "The priest shall offer the sin offering, and make atonement for him who is to be cleansed because of his uncleanness: and afterward he shall kill the burnt offering;
*Minor differences ignored. Grouped by changes, with first version listed as example.
The cleansed leper was now in a position to avail himself of the accustomed law of sacrifice as one completely restored. The ewe lamb was now offered in his behalf as a sin-offering, one of the young rams as a burnt-offering, and the fine flour mingled with oil as a meat-offering.
And the priest shall offer the sin offering,.... This was the ewe lamb, according to the rite of every sin offering, as Aben Ezra says; and was typical of Christ, as all such offerings were, who was made sin and a sin offering for his people:
and make an atonement for him that was to be cleansed from his uncleanness; for it seems the atonement was not perfected by the trespass offering and all the preceding rites; but a sin offering was necessary both on account of moral uncleanness, the cause of the leprosy, and of ceremonial uncleanness by it:
and afterward he shall kill the burnt offering; the other he lamb; the burnt offering for the most part following the sin or trespass offering as a gift by way of thankfulness, atonement being made for sin by the other offerings; which also was typical of Christ, as all burnt offerings were.
*More commentary available at chapter level.