I thought to advertise thee I have had it in my mind to speak to thee about it. There is none to redeem it besides thee That is, thou hast the first right to do so; for it is plain Boaz had a right, but it was in the second place: and if he had refused, the next kinsman would have had the right, and so on. Thou must buy it also of Ruth According to the law, Deuteronomy 25:5. To raise up seed To revive his name, which was buried with his body, by raising up a seed to him to be called by his name.
Related Commentaries of Ruth 4:4
Ruth 4:4-5
4 And I thoughta to advertise thee, saying, Buy it before the inhabitants, and before the elders of my people. If thou wilt redeem it, redeem it: but if thou wilt not redeem it, then tell me, that I may know: for there is none to redeem it beside thee; and I am after thee. And he said, I will redeem it.
5 Then said Boaz, What day thou buyest the field of the hand of Naomi, thou must buy it also of Ruth the Moabitess, the wife of the dead, to raise up the name of the dead upon his inheritance.