1. people who deceive or trick others

Examples

• The dupers convinced elderly victims to send money for fake prizes.
• Police arrested the dupers who had been running the phone scam.
• These dupers used sophisticated techniques to steal personal information.
• The investigation revealed a network of dupers operating across multiple states.
• Consumers should be aware of dupers who promise unrealistic returns on investments.
• The dupers created fake websites to appear legitimate to their victims.