Deuteronomy 15:17

then thou shalt take an awl, and thrust it through his ear unto the door, and he shall be thy servant for ever. And also unto thy maid-servant thou shalt do likewise.

Leviticus 25:39-42

And if thy brother be waxed poor with thee, and sell himself unto thee; thou shalt not make him to serve as a bond-servant.

1 Samuel 1:22

But Hannah went not up; for she said unto her husband, I will not go up until the child be weaned; and then I will bring him, that he may appear before Jehovah, and there abide for ever.

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