Synonyms of BLABBERS

one who reveals confidential information in return for money

• INFORMER13
• BETRAYER13
• RAT3
• SQUEALER17
• BLABBER13

speak (about unimportant matters) rapidly and incessantly

• CHATTER12
• PIFFLE14
• PALAVER12
• PRATE7
• TWADDLE12
• CLACK13
• MAUNDER10
• PRATTLE9
• BLAB8
• GIBBER11
• TATTLE6
• BLABBER13
• GABBLE11

Also: tittle-tattle.