Numbers 6:20

“And the priest shall wave them [for] a wave offering before the Lord, etc.] Putting his hands under the Nazarite’s, as in other cases where this ceremony was used; and so moving them to and fro, backwards and forwards, upwards and downwards, testifying hereby the goodness of God unto him, his sovereign dominion over him, that all he had depended on him, and was received from him; and that all he did, particularly in keeping his vow of Nazariteship, was through his assistance, and for which he made this grateful acknowledgment by delivering the above, together with what follows, to his priest: this [is] holy for the priest, with the wave breast and heave shoulder; besides these which were…”

“The law of the Nazarite is appropriately added to other enactments which concern the sanctity of the holy nation. That sanctity found its highest expression in the Nazarite vow, which was the voluntary adoption for a time of obligations to high and strict modes of self-dedication resembling, and indeed in some particulars exceeding, those under which the priests were placed. The present enactments do not institute a new kind of observance, but only regulate one already familiar to the Israelites Numbers 6:2. Numbers 6:2 A Nazarite - Strictly, Nazirite. This term signifies “separated” i. e., as the words following show, “unto God.” It became a technical term at an early date; compare Judges…”

“May drink wine - And return to his former manner of living. Numbers 6:21”

“the priest shall: Num 5:25; Exo 29:27, Exo 29:28; Lev 9:21, Lev 10:15, Lev 23:11 with the wave: Num 18:18; Lev 7:31, Lev 7:34 and after: Psa 16:10, Psa 16:11; Ecc 9:7; Isa 25:6, Isa 35:10, Isa 53:10-12; Zac 9:15, Zac 9:17, Zac 10:7; Mat 26:29; Mar 14:25; Joh 17:4, Joh 17:5, Joh 19:30; Ti2 4:7, Ti2 4:8 Numbers 6:21”