Jesus is God. Humans are not angels. Nor are angels Jesus.
Why do you limit God?
Why do you limit Christ, the Second Person of the Holy Trinity?
Could not Christ have appeared as an angel?
Genesis does not identify them as angels but as men.
Looking up, he saw three men standing near him.
Gen 18:2
Moving further on to Gen 18:9-12, the 3 men inquire about Sarah, Abraham's wife. One of them goes so far as to say he will return next year when Sarah will have a son. Meanwhile, Sarah has been listening and begins to laugh (because she is advanced in years). In Gen 18:13, it reads: "But the LORD said to Abraham:" If you move forward to Gen. 19:24 the text says that the LORD rains down fire and brimstone from the LORD in heaven. This seems to support the Trinity or at the very least a multiplicity in the Godhead.