You searched for: “pacifist
pacifist (s) (noun), pacifists (pl)
1. A person opposed to war or violence; especially, someone who refuses to bear arms or to participate in military actions, for moral or religious reasons.
2. The belief that disputes between nations should and can be settled peacefully. 3. Opposition to war or violence as a means of resolving disputes; such opposition is demonstrated by refusal to participate in military action.

Pacifists have not always been treated with sympathy or understanding. Refusing to fight ever for any reason, or even just in a pasrticular situation when the reasokns for fighting seem clear to many others, calls for strong faith in one's own moral or religious convictions; since it has often resuklted in persecuktion by those who disagree.

The Quakers and the Jehovah's Witnesses are well-known pacifist religious groups; Henry D. Thoreau and Martin Luther King Jr. are probably the most famous American pacifists.