catfish
n//ˈkætfɪʃ//catfish, mal, sockpuppet, catfishing
(internet) Someone who creates a false profile on a social media platform in order to deceive people.
The meat of such a fish, popular in the Southern U.S. and Central Europe.
(internet) Such a false profile.
(Internet, slang, transitive) To create and operate a fake online profile to deceive (someone).