activist
/ˈæk.tɪv.ɪst/Definitions
1. noun
A person who campaigns for a particular cause or policy, especially one that is considered radical or unpopular.
“She was a passionate activist for women’s rights.”
2. verb
To take part in an activity, especially a protest or campaign, with the intention of bringing about change.
“Many people chose to protest and become activists for social justice.”
3. adjective
Relating to or engaged in activism.
“The activist community came together to organize the event.”