pickpocket
noun
[ ˈpɪkpɒkɪt ]
• a person who steals from people's pockets.
Similar:
thief,
petty thief,
sneak thief,
bag snatcher,
purse-snatcher,
cutpurse,
pickpurse,
pocket-picker,
purse-picker,
finger,
dipper,
reefer,
pickpocket
verb
• steal from the pockets of (someone).
• "I think someone pickpocketed me in Brighton on my way to the station"