'Elders' in the Bible

Thus said Jehovah, Go, and buy a potter's earthen bottle, and take of the elders of the people, and of the elders of the priests;

Then rose up certain of the elders of the land, and spake to all the assembly of the people, saying,

Now these are the words of the letter that Jeremiah the prophet sent from Jerusalem unto the residue of the elders of the captivity, and to the priests, and to the prophets, and to all the people, whom Nebuchadnezzar had carried away captive from Jerusalem to Babylon,