Cross reference
Ruth 4:6
6 And the near kinsman said, I cannot redeem it for myself, lest I mar mine own inheritance: take thou my right of redemption on thee; for I cannot redeem it.
Leviticus 25:25
25 If thy brother be waxed poor, and sell some of his possession, then shall his kinsman that is next unto him come, and shall redeem that which his brother hath sold.
Ruth 3:13
13 Tarry this night, and it shall be in the morning, that if he will perform unto thee the part of a kinsman, well; let him do the kinsman's part: but if he will not do the part of a kinsman to thee, then will I do the part of a kinsman to thee, as Jehovah liveth: lie down until the morning.