neutralist

[ noo-truh-list, nyoo- ]
/ ˈnu trə lɪst, ˈnyu- /

noun

a person who advocates or adheres to a policy of strict neutrality in foreign affairs.
a person who advocates or adheres to a policy or theory of neutralism.

adjective

of, relating to, or advocating neutralism.

Origin of neutralist

First recorded in 1615–25; neutral + -ist
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019