a person who steals money, wallets, etc., from the pockets of people, as in crowded public places.

to steal (a wallet, money, etc.) in the manner of a pickpocket.

to steal from (a person) in the manner of a pickpocket.

noun

bag snatcher , cutpurse , dipper , finger , pocket picker , purse snatcher , sneak thief , thief , wallet lifter , cannon , chevalier d\'industrie (french) , digger , jostle , riffle , robber