participator

/pɑrˈtɪsəˌpeɪtər/
noun
  1. A person who takes part in an activity or event.
    • Every participator in the race received a medal at the finish line.
    • The workshop was limited to twenty participators to ensure everyone could contribute.
    • As an active participator in the club, she helped organize all the meetings.
Antonyms
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