He might steal from a yenta

• Thief, slangily
• Swindler, slangily
• Crook, slangily
• Swindler, in slang
• Thief, in slang
• Yiddish crook
• Petty crook
• Thief, in Yiddish
• Iron horse runs over rogue in New York

Wiktionary Word definitions in Wiktionary
n. (context slang pejorative English) thief, rascal, scoundrel.