pickpocket

US /ˈpɪkˌpɑː.kɪt/
UK /ˈpɪkˌpɑː.kɪt/
"pickpocket" picture
1.

a person who steals from the pockets of unsuspecting victims in public places

:
Be careful of pickpockets in crowded tourist areas.
The police arrested a notorious pickpocket near the market.
1.

to steal from someone's pocket or bag, typically without them noticing

:
He tried to pickpocket the tourist's wallet.
She was warned not to let anyone pickpocket her on the crowded train.