'Messenger' in the Bible

And the messenger that went to call Micaiah spake to him, saying, Behold, the words of the prophets declare good to the king with one assent; let thy word therefore, I pray thee, be like one of theirs, and speak thou good.

and Jehovah sendeth a messenger, and cutteth off every mighty one of valour -- both leader and head -- in the camp of the king of Asshur, and he turneth back with shame of face to his land, and entereth the house of his god, and those coming out of his bowels have caused him to fall there by the sword.