'Messengers' in the Bible

“Then what answer will one give the messengers of the [Philistine] nation?That the Lord has founded Zion,And the afflicted of His people will seek and find refuge in it.”

Which sends ambassadors by the sea,Even in vessels of papyrus on the surface of the waters.Go, swift messengers, to a nation [of people] tall and smooth (clean shaven),To a people feared far and wide,A powerful and oppressive nationWhose land the rivers divide.

Be silent, you inhabitants of the coastland,You merchants of Sidon;Your messengers crossed the sea

And Sennacherib king of Assyria, heard them say concerning Tirhakah king of Cush (Ethiopia), “He has come out to fight against you.” And when he heard it, he sent messengers to Hezekiah, saying,

Then Hezekiah took the letter from the hand of the messengers and read it, and he went up to the house of the Lord and spread it out before the Lord.

At that time Merodach-baladan son of Baladan, king of Babylon, sent [messengers with] letters and a present to Hezekiah, for he had heard that he had been sick and had recovered.

Confirming the word of His servantAnd carrying out the plan of His messengers.It is I who says of Jerusalem, ‘She shall [again] be inhabited!’And of the cities of Judah, ‘They shall [again] be built.’And I will raise up and restore her ruins.

“You have gone to the king [of a pagan land] with oilAnd increased your perfumes;You have sent your messengers a great distanceAnd made them go down to Sheol (the realm of the dead).