John Gills Exposition of the Bible Commentary - Ruth 4:1
Then went Boaz up to the gate ,.... In the middle of the day, as Josephus F4 Antiqu. l. 5. c. 9. sect. 4. says, to the gate of the city, where people were continually passing and repassing to and from the country, and where he was most likely to meet with the person he wanted to see and converse with, and where courts of judicature were usually held, and where it was proper to call one to determine the affair he had in hand; so the Targum,"and Boaz went up to the gate of the house of... read more
Matthew Henry's Complete Commentary - Ruth 4:1-8
Here, 1. Boaz calls a court immediately. It is probable he was himself one of the elders (or aldermen) of the city; for he was a mighty man of wealth. Perhaps he was father of the city, and sat chief; for he seems here to have gone up to the gate as one having authority, and not as a common person; like Job, Job 29:7-25 We cannot suppose him less than a magistrate in his city who was grandson to Nahshon, prince of Judah; and his lying at the end of a heap of corn in the threshing-floor the... read more