Leviticus 25:25-26

25“If your brother becomes poor and sells part of his property, athen his nearest redeemer shall come and redeem what his brother has sold. 26If a man has no one to redeem it and then himself becomes prosperous and finds sufficient means to redeem it,

Numbers 35:12

12The cities shall be for you a refuge from the avenger, that the manslayer may not die until he stands before the congregation for judgment.
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