integrationist
[ in-ti-grey-shuh-nist ]
/ ˌɪn tɪˈgreɪ ʃə nɪst /
noun
a person who believes in, supports, or works for social integration.
adjective
pertaining to, favoring, or being conducive to social integration.
Origin of integrationist
First recorded in 1950–55;
integration +
-ist