An activist is a person who takes action and works hard to bring about social or political change. They are passionate about their beliefs and fight for the causes they believe in. Full definition
Consider the rise of activist investors in the past few decades. (valuestockguide.com)
She added that she will continue to be a human rights activist in spite of her political affiliation. (ghanapoliticsonline.com)
The book is timely because it looks at the history of activist investors who we note below are currently the toast of the hedge fund crowd. (abnormalreturns.com)