passivist
/ˈpasɪvɪst/adjective
1Of, relating to, or characterized by an opposition to war or violence; pacifist.
2Characterized by the habit or practice of being passive, accepting, or non-resistant.
3 Philosophy. Denoting or relating to the theory of the passive acquisition of knowledge through the senses.
noun
1A person who is passive, especially one who allows things to happen without taking active measures to resist or alter them.
2 Psychology. A man who takes a passive sexual role; especially a male masochist.
3Frequently derogatory. A person who passively resists or opposes war; a pacifist.
Origin
Late 19th century; earliest use found in The North American Review. From passive + -ist.