'Angel' in the Bible

Then thine handmaid said, The word of my lord the king shall now be comfortable: for as an angel of God, so is my lord the king to discern good and bad: therefore the LORD thy God will be with thee.

To fetch about this form of speech hath thy servant Joab done this thing: and my lord is wise, according to the wisdom of an angel of God, to know all things that are in the earth.

And he hath slandered thy servant unto my lord the king; but my lord the king is as an angel of God: do therefore what is good in thine eyes.

He mounted a winged angel and flew; he glided on the wings of the wind.

And when the angel stretched out his hand upon Jerusalem to destroy it, the LORD repented him of the evil, and said to the angel that destroyed the people, It is enough: stay now thine hand. And the angel of the LORD was by the threshingplace of Araunah the Jebusite.

And David spake unto the LORD when he saw the angel that smote the people, and said, Lo, I have sinned, and I have done wickedly: but these sheep, what have they done? let thine hand, I pray thee, be against me, and against my father's house.