dupe

/dup/
noun
  1. A person who is easily tricked or fooled.
    • He felt like a dupe after realizing the email was a phishing scam.
    • The con artist left town with the money, and the dupes were left with nothing.
    • Don't be a dupe—always read the fine print before signing anything.
Synonyms
verb
  1. To trick or deceive someone.
    • She duped her brother into doing all the chores by promising him a treat.
    • The magician duped the audience with a clever sleight of hand.
    • The fake charity duped many people into donating money.