pacifist
Definitions
A person who believes that war and violence are unjustifiable and that all disputes should be settled by peaceful means.
Someone who refuses to participate in or support any form of military action or armed conflict.
Examples
As a committed pacifist, he refused to participate in any form of military conflict.
Her pacifist beliefs led her to organize peaceful protests instead of resorting to violence.
Synonyms
peacemaker dove anti-war activist non-combatant conscientious objector