A "peace campaigner" is a person who actively works to promote peace and fight against violence or war. They advocate for peaceful solutions to conflicts and aim to create a more harmonious and nonviolent world. Full definition
He won for State Britain [Wallinger's recreation of peace campaigner Brian Haw's protest camp]-- but that wasn't shown. (theguardian.com)
Wallinger was nominated for the Turner Prize in 1995 and won in 2007 for his installation State Britain, an exact replica of peace campaigner Brian Haw's protest camp in London's Parliament Square. (dreamideamachine.com)
Nathan Coley, who... Square by peace campaigner Brian Haw. (highbeam.com)