The noun pacifist means an individual who supports peace and believes in pacifism or strongly opposed to war and violence. Pacifist can also be an adjective which means actively opposing in conflicts and avoiding violence.
Synonyms are peace-lover, peacemaker, conscientious or objector.
The word origins from French (1903) pacifiste and was first used as a noun in 1898 and used as an adjective in 1908.
The pacifist manufacturer was a conflicted individual during times of war.
He wanted to have a revenge but his pacifist sister stopped him.
Depending on the game, a pacifist gamer usually loses a lot.