The only good reason for that is when childhood circumstances or experiences were major factors in shaping later attitudes or convictions. Zakir Naik however grew up in comfortable circumstances as the son of a doctor and his upbringing and childhood experiences mostly inspired him to become a doctor himself. You will find that the childhood of many people in Wikipedia is not described in detail if that was just an ordinary and fairly happy childhood.
Wikipedia is a user-edited site. If nobody saw fit to add information about Dr. Naik's childhood, it will not be there.
yes
Yes. He was born in a Muslim family in Mumbai.
Zakir Sabirov was born in 1951.
Zakir Hossain was born in 1977.
Zakir Khan was born in 1963.
Zakir Hasan was born in 1972.
Zakir Mammadov was born in 1936.
Zakir Mammadov died in 2003.
Samir Zakir is 6' 2".
The cast of Zakir and His Friends - 1998 includes: Zakir Hussain as himself
Zakir Naik was born on October 18, 1965.
Zakir Naik is a born Muslim, and a Muslim preacher.