'Representative' in the Bible

The Lord says, "As surely as I am the living God, you, Jeconiah, king of Judah, son of Jehoiakim, will not be the earthly representative of my authority. Indeed, I will take that right away from you.

Now there was another man who prophesied as the Lord's representative against this city and this land just as Jeremiah did. His name was Uriah son of Shemaiah from Kiriath Jearim.

As for me, I will be living in Mizpah as your representative before the Chaldaeans who come to us: but you are to get in your wine and summer fruits and oil and put them in your vessels, and make living-places for yourselves in the towns which you have taken.

Word has come to me from the Lord, and a representative has been sent to the nations, to say, Come together and go up against her, and take your places for the fight.

On the tenth day of the fifth month—which was the nineteenth year of King Nebuchadnezzar, king of Babylon—Nebuzaradan, the commander of the guards, entered Jerusalem as the representative of the king of Babylon.