Bible Verses About Nazarites: Cutting or shaving the head

"'Throughout the period of his vow as a nazir, he is not to shave his head. Until the end of the time for which he has consecrated himself to ADONAI he is to be holy: he is to let the hair on his head grow long.

For indeed you will conceive and bear a son. No razor is to touch his head, because the child will be a nazir for God from the womb. Moreover, he will begin to rescue Isra'el from the power of the P'lishtim."

so that he finally told her everything. He said to her, "No razor has ever touched my head, because I have been a nazir of God since I was born. If someone shaves me, then my strength will leave me; and I will be like any other man."