'Elders' in the Bible

And he taketh ten men of the elders of the city, and saith, 'Sit down here;' and they sit down.

and I said, I uncover thine ear, saying, Buy before the inhabitants, and before the elders of my people; if thou dost redeem -- redeem, and if none doth redeem -- declare to me, and I know, for there is none save thee to redeem, and I after thee.' And he saith, I redeem it.'

And Boaz saith to the elders, and to all the people, 'Witnesses are ye to-day that I have bought all that is to Elimelech, and all that is to Chilion and Mahlon, from the hand of Naomi;

And all the people who are in the gate say -- also the elders -- 'Witnesses! Jehovah make the woman who is coming in unto thy house as Rachel and as Leah, both of whom built the house of Israel; and do thou virtuously in Ephrathah, and proclaim the Name in Beth-Lehem;