'Elders' in the Bible

Thus said Yahweh, 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 spoke to all the assembly of the people, saying,

Now these are the words of the letter that Jeremiah the prophet sent from Jerusalem to 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,