Simplify the following text for a Grade 10 native English-speaking person.
Original: Sadiq Aman Khan ( born 8 October 1970 ) is a British Labor Party politician , who has been the Member of Parliament ( MP ) for Tooting since 2005 , succeeding Tom Cox as the Labor MP for the seat .
Simplified: Sadiq Aman Khan ( born October 8 , 1970 in Tooting , England ) is a British politician who is the Shadow Justice Secretary in Ed Miliband 's shadow cabinet . He is the Labor Party Member of Parliament ( MP ) for the constituency of Tooting .