6 The near kinsman said, “I can’t redeem it for myself, lest I endanger my own inheritance. Take my right of redemption for yourself; for I can’t redeem it.”
Ruth 4:6 Cross References - WEB
Leviticus 25:25
25 “‘If your brother becomes poor, and sells some of his possessions, then his kinsman who is next to him shall come, and redeem that which his brother has sold.
Ruth 3:13
13 Stay this night, and in the morning, if he will perform for you the part of a kinsman, good. Let him do the kinsman’s duty. But if he will not do the duty of a kinsman for you, then I will do the duty of a kinsman for you, as Yahweh lives. Lie down until the morning.”