cosplayer
noun /ˈkɒspleɪə(r)/, /ˈkɒzpleɪə(r)/
/ˈkɑːspleɪər/, /ˈkɑːzpleɪər/
- a person who takes part in cosplay (= dressing up as a character from a film, book or video game)
- He is an avid cosplayer who regularly dresses up for cosplay conventions.