dupe
🇺🇸
/duːp/
🇬🇧
/djuːp/
to deceive someone in a way that causes them to believe something that is not true
They soon realized they had been duped by the con artist.
a person who has been deceived, especially someone who is easily tricked or cheated
These men were simply the dupes of their unscrupulous leaders, never realizing they were being used.