'Messengers' in the Bible

Moses sent messengers from Kadesh to the king of Edom: "Thus says your brother Israel: 'You know all the hardships we have experienced,

Then Israel sent messengers to King Sihon of the Amorites, saying,

And he sent messengers to Balaam son of Beor at Pethor, which is by the Euphrates River in the land of Amaw, to summon him, saying, "Look, a nation has come out of Egypt. They cover the face of the earth, and they are settling next to me.

Balaam said to Balak, "Did I not also tell your messengers whom you sent to me,