6 And the kinsman said, I shall not be able to redeem it for myself, lest I ruin my own inheritance; you redeem my right for yourself, for I shall not be able to redeem it.
Ruth 4:6 Cross References - CAB
Leviticus 25:25
25 And if your brother who is with you is poor, and should have sold part of his possession, and his kinsman who is near to him come, then he shall redeem the possession which his brother has sold.
Ruth 3:13
13 Lodge here for the night, and it shall be in the morning, if he will perform the duty of a close relative for you — good, let him do it. But if he will not perform the duty of a close relative for you, then I will perform the relative's duty for you, as the Lord lives; lie down till the morning.