Word

activist

noun C1

/ˈæk.tɪ.vɪst/

Meanings

noun

a person who takes practical action to support a cause and bring about social or political change

noun

someone who works energetically within a community or organization to promote change on a specific issue

Definition

An activist is a person who takes action to bring about social or political change.

An activist is someone who actively works to change society, politics, or the environment. They may organize campaigns, speak publicly, protest, or persuade others to support a cause. The word emphasizes taking action, not just holding opinions. Activists can work alone, in communities, or through organizations.

Examples

As an activist, I spend weekends coordinating volunteers and following up with local officials.
The activist challenged the company’s public claims with carefully documented evidence.
She became an activist after years of watching her neighborhood’s green spaces disappear.
They invited an activist to the panel to ensure the discussion included lived experience and accountability.

Common mistake

Learners sometimes confuse activist (a person) with activism (the activity or movement) and say “an activism” instead of “an activist.”