vigilante, zeitgeist
Winona Ryder has reunited with the writer of Heathers, the movie that captured the zeitgeist of the Generation X era with lines like "What is your damage, Heather?" They are working on a new independent film that will cast Winona as a feminist vigilante who chases down male sex offenders.
zeitgeist - (noun) the spirit of the age
vigilante - (noun) a self-appointed doer of justice