Activists are people who take action to bring about social, political, economic, or environmental change. The crossword solutions for the term 'activists' include 'doers' (5 letters), 'Nader' (5 letters), and 'pols' (4 letters). 'Doers' refers to people who take action to make a difference, while 'Nader' is a reference to Ralph Nader, an American political activist, author, lecturer, and attorney. Finally, 'pols' is a slang term for politicians, who often work to enact change through legislation.