'Angel of God' in the Bible

God heard the voice of the boy, and the angel of God called to Hagar from heaven and said to her, “What troubles you, Hagar? Do not be afraid, for God has heard the voice of the boy from where he is [resting].

And the Angel of God said to me in the dream, ‘Jacob.’ And I said, ‘Here I am.’

Then Jacob asked Him, “Please tell me Your name.” But He said, “Why is it that you ask My name?” And He declared a blessing [of the covenant promises] on Jacob there.

The angel of God, who had been going in front of the camp of Israel, moved and went behind them. The pillar of the cloud moved from in front and stood behind them.

The Angel of God said to him, “Take the meat and unleavened bread and lay them on this rock, and pour out the broth [over them].” And he did so.

Then the woman went and told her husband, saying, “A Man of God came to me and his appearance was like the appearance of the Angel of God, very awesome. I did not ask Him where he came from, and he did not tell me his name.

And God listened to the voice of Manoah; and the Angel of God came again to the woman as she sat in the field, but Manoah her husband was not with her.

Achish answered David, “I know that you are blameless in my sight, like an angel of God; nevertheless the commanders of the Philistines have said, ‘He must not go up with us to the battle.’

Then your maidservant said, ‘Please let the word of my lord the king be comforting, for my lord the king is as the angel of God to discern good and evil. May the Lord your God be with you.’”

In order to change the appearance of things [between Absalom and you, his father] your servant Joab did this thing. But my lord has wisdom like the wisdom of the angel of God, to know everything that is in the earth.”

Further, he has slandered your servant to my lord the king; but my lord the king is like the angel of God; so do what is good in your eyes.