Judges 13:5

“Speak to the sons of Israel and say to them, ‘When a man or woman makes a special vow, the vow of a Nazirite, to dedicate himself as a Nazirite to Yahweh,

Then the angel of Yahweh came up from Gilgal to Bochim. And he said, “I brought you up out of Egypt and led you into the land which I have sworn to your fathers; and I said, ‘I will never break My covenant with you,

So he told her all that was in his heart and said to her, “A razor has never 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 leave me and I will become weak and be like every other man.”

And she made a vow and said, “O Yahweh of hosts, if You will indeed look on the affliction of Your maidservant and remember me and not forget Your maidservant, but will give Your maidservant a seed amongst men, then I will give him to Yahweh all the days of his life, and a razor shall never come on his head.”

So the Philistines were subdued, and they did not come anymore within the border of Israel. And the hand of Yahweh was against the Philistines all the days of Samuel.

“Then I raised up some of your sons to be prophets And some of your choice men to be Nazirites. Is this not so, O sons of Israel?” declares Yahweh.