An Etymological Dictionary of Astronomy and Astrophysics

English-French-Persian

فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک



activist
  ژیرش‌گر، ژیرش‌باور  
žireš-gar, žireš-bâvar
Fr.: activiste  

An especially active, vigorous advocate of a cause, especially a political cause (Dictionary.com).

See also: Agent noun from → activism.