Possible meanings are 1) God himself appeared as a man, or 2) One of God's messengers appeared. Since the phrase is not well understood, it is best to simply translate it as “the angel of God” using the normal word that you use for “angel.”
## I said, "Here I am" ##
"And I answered, 'Here I am' "
## Here I am ##
See how you translated this in [Genesis 22:1](../22/01.md).