Numbers 6:11

11 The cohen is to prepare one as a sin offering and the other as a burnt offering and thus make atonement for him, inasmuch as he sinned because of the dead person. That same day he is to re-consecrate his head;

Numbers 6:11 Meaning and Commentary

Numbers 6:11

And the priest shall offer the one for a sin offering, and
the other for a burnt offering
That is, one of the turtles or young pigeons for the one kind of sacrifice, and one for the other sort; both being necessary; the one to expiate sin, and the other as a gift to God by way of thankfulness for acceptance of the former:

and make an atonement for him, for that he sinned by the dead;
by being where the dead body was, which, though not sinful, in a moral sense, was, in a ceremonial one, and therefore required a sacrifice to atone for it; and which atonement was made by the sin offering typical of Christ, who was made an offering for sin:

and shall hallow his head the same day;
consecrate himself to God afresh, particularly the hair of his head, let that grow again and begin his Nazariteship anew; so Jarchi interprets it, to return and begin the account of his Nazariteship.

Numbers 6:11 In-Context

9 "'If someone next to him dies very suddenly, so that he defiles his consecrated head, then he is to shave his head on the day of his purification; he is to shave it on the seventh day.

10 On the eighth day he is to bring two doves or two young pigeons to the cohen at the entrance to the tent of meeting.

11 The cohen is to prepare one as a sin offering and the other as a burnt offering and thus make atonement for him, inasmuch as he sinned because of the dead person. That same day he is to re-consecrate his head;

12 he is to consecrate to ADONAI the full period of his being a nazir by bringing a male lamb in its first year as a guilt offering. The previous days will not be counted, because his consecration became defiled.

13 "'This is the law for the nazir when his period of consecration is over: he is to be brought to the entrance of the tent of meeting,