And it shall be for a sign and for a witness unto the LORD of hosts in the land of Egypt: for they shall cry unto the LORD because of the oppressors, and he shall send them a savior, and a mighty one, and he shall deliver them.
All Commentaries on Isaiah 19:20 Go To Isaiah 19
Ambrose of Milan
AD 397
If the waters bore a man, could not a virgin give birth to a man? What man? Him of whom we read: “The Lord will send them a man, who will save them, and the Lord will be known in Egypt.”