Leviticus
Leviticus 25:45
And you may buy also from the children of the temporary residents who are dwelling with you as aliens and from their clan who are with you, who have children in your land; indeed, they may be as property for you.
Isaiah 56:3-6
And do not let the {foreigner} [who] joins himself to Yahweh say, "Surely Yahweh will separate me from his people." And do not let the eunuch say, "Look! I [am] a dry tree!"
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