# campaigner

/kæmˈpeɪnɝ/ (US) · /kæmpˈeɪnɐ/ (UK) · CEFR B2 · Noun

Source: https://englishreference.com/word/campaigner
Updated: 2026-05-18

## Definition

a person who works hard to support a cause or a political candidate. You use this for someone who is very active in trying to change a situation.

For teachers: a person who actively supports a cause, candidate, or policy. Often used to describe individuals who engage in public advocacy or political mobilisation.

## Examples

- She is a dedicated campaigner for animal rights.
- The local campaigner spent months organizing the community to vote for the new park.
- Despite facing significant opposition from the establishment, the grassroots campaigner managed to secure enough signatures to force a public referendum on the proposed law.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.