campaigner
/kæmˈpeɪnə(ɹ)/ noun B2- A person who has served in a military campaign.
- A military veteran.
- A person who campaigns for a person running for political office or works, or supports, in an organised and active way towards a goal; an activist.
- Someone with experience in a certain field.
Plural campaigners
From the library
It was hardly an appeal to be successful with one who was an old campaigner as well as an old friend.
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