Deuteronomy 15:17

then you shall take an awl and put it through his ear to the door, and he shall be your servant forever. And also to your slave-girl you shall do so.

Leviticus 25:39-42

And if your brother who lives beside you has become poor, and is sold to you, you shall not compel him to serve as a bond-servant.

1 Samuel 1:22

But Hannah did not go up. For she said to her husband, Until the child is weaned, and then I will bring him so that he may appear before Jehovah and stay there forever.

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