As a noun cosplayer is
one who takes part in cosplay.
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Not English
Wikidiffcom has no English definition. It may be misspelled. cosplayer
English
Noun
(
en noun)
One who takes part in cosplay.
* 2006 , Frenchy Lunning, Mechademia 1: Emerging Worlds of Anime And Manga (page 75)
- The environments and spaces created for and by cosplay provide cosplayers with a variety of spaces for social interactions.