'Angel' in the Bible

And the angel of the Lord was seen by him in a flame of fire coming out of a thorn-tree: and he saw that the tree was on fire, but it was not burned up.

Then the angel of God, who had been before the tents of Israel, took his place at their back; and the pillar of cloud, moving from before them, came to rest at their back:

See, I am sending an angel before you, to keep you on your way and to be your guide into the place which I have made ready for you.

And my angel will go before you, guiding you into the land of the Amorite and the Hittite and the Perizzite and the Canaanite and the Hivite and the Jebusite, and they will be cut off by my hand.

But now, go, take the people into that place of which I have given you word; see, my angel will go before you: but when the time of my judging has come, I will send punishment on them for their sin.

And I will send an angel before you, driving out the Canaanite and the Amorite and the Hittite and the Perizzite and the Hivite and the Jebusite: