Tanach do Wyjścia 21:2

כִּ֤י תִקְנֶה֙ עֶ֣בֶד עִבְרִ֔י שֵׁ֥שׁ שָׁנִ֖ים יַעֲבֹ֑ד וּבַ֨שְּׁבִעִ֔ת יֵצֵ֥א לַֽחָפְשִׁ֖י חִנָּֽם׃

Gdy kupisz niewolnika ibrejskiego, sześć lat niechaj służy, a siódmego wyjdzie na wolność, darmo. 

Deuteronomy

If your brother—Jew or Jewess—is sold to you and he serves you six years; then in the seventh year you are to send him free from you.
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Leviticus

If a man lies with a woman in a conjugal manner, and she is a maid-servant designated for a [specific] man and she has certainly not been redeemed, or her freedom was not given to her; there shall be an investigation they shall not be put to death, for her freedom was not given to her.
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Exodus

If the sun shone on him, there is liability for his blood. He must make full restitution. If he does not have [the means to do so], he shall be sold [as a slave to pay] for his theft.
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