A Reverend and his Convert

A  White Reverend father was leaving Africa for some months  and decided to advice one of his converts . He said John as a good catholic you must not lie and eat meat on good Fridays and john said father I will not fail you, after 3 months the reverend father came back and met john eating meat with his family on a good Friday . he said john why are you eating meat on a good Friday and john said father it is not meat its fish and the father said john you are also lying but john replied its not a lie father its fish , the father said why is it fish and not meat and john said father I and my family are hungry and I caught a rabbit and sprinkled water on it and said from rabbit you turn to fish and the father said but john you cant do that and john replied why not when you came my name was ebuku and you sprinkled water on me  and said from ebuku you are now john