activist

activist — noun

1. someone who tries to change society or government policy by organizing campaigns

1.nounB2
Definition

someone who tries to change society or government policy by organizing campaigns, protests, and other public action.

Example

A local activist stood outside the coal plant with a sign all day.

common scene: activist at a public protest

Student activists handed out leaflets before the mayor's speech on bus fares.

common modifier: student activist

Common collocations
  • climate activist
  • student activist
  • labor activist
  • veteran activist
  • leading activist
Synonyms
  • campaigner

    very close in meaning; often stresses organized work for one cause, especially in British English

  • advocate

    broader and often calmer; an advocate may argue publicly without joining protests

  • protester

    narrower; names someone at a demonstration, even if they are not active at other times

  • reformer

    focuses on improving a system, sometimes from within institutions

Grammar Patterns

activist for + cause

student / climate / labor activist

Usage Note

Often followed by a cause or issue, as in 'an activist for prison reform' or 'a climate activist'. Stronger than 'supporter', it usually suggests repeated public action rather than private agreement alone.

Common Mistakes

My aunt is an activist at the hospital on Fridays.
My aunt is a volunteer at the hospital on Fridays.
an activist tries to change policy or public opinion; a volunteer mainly helps with practical work.
Everyone in the march was an activist.
Everyone in the march was a protester.
'activist' often suggests longer-term involvement, not just joining one event.

activist — adjective

Word family

Synonym discussion

Sense: noun/1

An 'activist' usually takes public action again and again to push for social or political change. A person may organize events, speak to the media, or build a movement. 'Campaigner' is very close, but it often points to organized work for one cause or one period of action, especially in British English. 'Advocate' is broader and calmer: an advocate may support change through writing, meetings, or law, without joining street protests. 'Protester' is narrower, naming someone at a particular demonstration. 'Reformer' focuses more on improving a system and can sound more official. Compare: 'A climate activist slept outside the mine gates for weeks', 'Parents campaigned against the fee rise', and 'Her lawyer advocates prison reform in court'.

Etymology

LatinFrenchEnglish

Built in English in the early 1900s from 'activism' and the suffix '-ist'. 'Activism' comes from 'active', which entered English through French from Latin roots linked to the idea of doing or driving action. So 'activist' was formed to name a person connected with active public efforts for change.