Bible Verses About Nazarites: To shave their heads

The Nazirite shall shave the head of his separation at the door of the Tent of Meeting, and shall take the hair of the head of his separation, and put it on the fire which is under the sacrifice of peace offerings.

Paul, having stayed after this many more days, took his leave of the brothers, and sailed from there for Syria, together with Priscilla and Aquila. He shaved his head in Cenchreae, for he had a vow.

Take them, and purify yourself with them, and pay their expenses for them, that they may shave their heads. Then all will know that there is no truth in the things that they have been informed about you, but that you yourself also walk keeping the Torah.