Leviticus 25:45-47

New King James Version

⁴⁵ Moreover you may buy ^(A)the children of the strangers who dwell among you, and their families who are with you, which they beget in your land; and they shall become your property. ⁴⁶ And ^(B)you may take them as an inheritance for your children after you, to inherit them as a possession; they shall be your permanent slaves. But regarding your brethren, the children of Israel, you shall not rule over one another with rigor.

⁴⁷ ‘Now if a sojourner or stranger close to you becomes rich, and one of your brethren who dwells by him becomes poor, and sells himself to the stranger or sojourner close to you, or to a member of the stranger’s family,