Bible Verses About Nazarites: Cutting or shaving the head

“‘All the days of his vow of separation no razor shall come on his head, until the days are fulfilled, in which he separates himself to the LORD. He shall be holy. He shall let the locks of the hair of his head grow long.

for, behold, you shall conceive, and bear a son; and no razor shall come on his head; for the child shall be a Nazirite to God from the womb: and he shall begin to save Israel out of the hand of the Philistines.”

He told her all his heart, and said to her, “No razor has ever come on my head; for I have been a Nazirite to God from my mother’s womb. If I am shaved, then my strength will go from me, and I will become weak, and be like any other man.”