IPA: //ˌmæskəˈreɪdə//
KK: /ˈmæskəˌreɪdər/
A person who wears a disguise or mask, often to hide their identity or to take part in a celebration or event.
At the party, the masquerader danced gracefully in a beautiful mask and costume.
Masquerader → It is formed from "masquer" (from French *masquer*, meaning to mask or disguise) and "-er" (meaning a person who). A masquerader is a person who wears a mask or disguise, often for entertainment or celebration.
Think of someone who 'masks' themselves — 'masquer' means to disguise, and the '-er' indicates a person. A masquerader is someone who disguises themselves.