Why didn't jervis shows juddy his face from the beginning and why he changed his name into john smith?

Judy Abbott is an orphan who has been دیا the opportunity to study at the prestigious لنکن Memorial High School سے طرف کی a mysterious benefactor whom she only knows as "John Smith". She has only seen his shadow once, and because of his long legs, she calls him "Daddy Long Legs". The only payment she is to give her benefactor is that she write him letters every month, with no expectation of them being responded to.

The عملی حکمت covers three years of Judy's life, starting with her leaving the John Grier ہوم orphanage, and ending with her finishing high school.