campaigner

Everyday

1. A person who works hard to change something in society or politics, for example to protect the environment or to change a law. tree →
2. A person who takes part in a political campaign or an election campaign. tree →
3. (old) A soldier who has fought in many campaigns: «an old campaigner» (also someone with lots of experience). tree →

In the lessons

In news and citizenship lessons: climate campaigners, animal-rights campaigners, campaigners for children's safety. Greta Thunberg and Malala Yousafzai are famous young campaigners. Phrase: an old campaigner.

Examples

• Campaigners want a new zebra crossing outside school. tree →
• The young campaigner spoke at the United Nations. tree →
• Environmental campaigners planted a thousand trees. tree →
• Campaigners handed in a petition to the council. tree →
• Grandad is an old campaigner at chess tournaments. tree →

Note

Countable. Spelling: campaign has a silent «g»: kam-PAYN-er.