campaigner
UK /kæmˈpeɪnə(ɹ)/ US /kæmˈpeɪnə(ɹ)/
noun 4
Definitions
noun
1
A person who has served in a military campaign.
2
A military veteran.
3
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.
The US supreme court has ruled unanimously that natural human genes cannot be patented, a decision that scientists and civil rights campaigners said removed a major barrier to patient care and medical innovation.
It is remembered unfondly by politicians, communities and campaigners as the document that heralded widespread reductions in the size of the railway.
4
Someone with experience in a certain field.
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