IPA: /pɑːrˈtɪsɪpeɪtə/
KK: /pɑrˈtɪsəˌpeɪtər/
A person who takes part in an activity or event.
Every participator in the event received a certificate of appreciation.
Participator → It is formed from "participare" (meaning to share or take part) and "-tor" (a suffix indicating a person who performs an action). The word "participator" refers to a person who takes part in something or shares in an activity.
Think of someone who is 'taking part' ('participare') in an event — that's why a participator is someone who shares in an activity.