activist

Definitions

A person who campaigns to bring about political or social change.

An advocate or supporter of a particular cause or policy.

Examples

The environmental activist organized a protest to raise awareness about climate change.

She has been a dedicated activist for human rights for over two decades.

Synonyms

advocate campaigner crusader protester reformer agitator militant

Antonyms

apologist conformist reactionary passivist bystander neutralist conservative