Leviticus 25:35-36

25:35 And if thy brother be waxen poor, and fallen in decay with thee; then thou shalt relieve him: [yea, though he be] a stranger, or a sojourner; that he may live with thee. 25:36 Take thou no usury of him, or increase: but fear thy God; that thy brother may live with thee.

Leviticus 25:47-49

25:47 And if a sojourner or stranger wax rich by thee, and thy brother [that dwelleth] by him wax poor, and sell himself unto the stranger [or] sojourner by thee, or to the stock of the stranger’s family: 25:48 After that he is sold he may be redeemed again; one of his brethren may redeem him: 25:49 Either his uncle, or his uncle’s son, may redeem him, or [any] that is nigh of kin unto him of his family may redeem him; or if he be able, he may redeem himself.

Leviticus 25:53

25:53 [And] as a yearly hired servant shall he be with him: [and the other] shall not rule with rigour over him in thy sight.