John Gills Exposition of the Bible Commentary - Ruth 4:11
And all the people that were in the gate, and the elders, said, we are witnesses ,.... Both of the purchase of the estate by Boaz being legally made, and of the marriage of Ruth to him, the condition of the bargain: the Lord make the woman that is come into thine house ; not into his house, strictly and literally taken, the place of his habitation; for both he and she were now at the gate of the city, and as yet she was not introduced into his house; but by his marriage of her she was... read more
Matthew Henry's Complete Commentary - Ruth 4:9-12
Boaz now sees his way clear, and therefore delays not to perform his promise made to Ruth that he would do the kinsman's part, but in the gate of the city, before the elders and all the people, publishes a marriage-contract between himself and Ruth the Moabitess, and therewith the purchase of all the estate that belonged to the family of Elimelech. If he had not been (Ruth 2:1) a mighty man of wealth, he could not have compassed this redemption, nor done this service to his kinsman's family.... read more