The one who receives the name has to confess the name for a manifestation of the mystery in him. The name Paul is a Roman baby name and from a Latin word meaning; little, small, humble and it means the least. You can check the dictionary, [Roman dictionary or Latin]. He is Paulo’s; this is the name that he received that no one knows, and if you go in the Spirit, Jesus said to Nicodemus; “You are a teacher of Israel and you do not know the Biology I am talking about, but you are a teacher”. It is a mystery and he will confess it.