'Senior' in the Bible

So I sent for Eliezer, Ariel, Shemaiah, Elnathan, Jarib, Elnathan, Nathan, Zechariah, and Meshullam, who were senior leaders, as well as for Joiarib and Elnathan, who were men of discernment.

and divided between them the silver, the gold, the vessels, and the offering for the Temple of our God which the king had offered, along with his advisors, his senior officials, and all of Israel assembled there.

because they and their sons have married foreign women. As a result, the holy people have mingled themselves among the nations of these lands. As a matter of fact, the senior officials and the rulers have been foremost in this sin."