ethnonationalist
/ˌɛθnəʊˈnaʃ(ə)nəlɪst/ /ˌɛθnəʊˈnaʃ(ə)n(ə)lɪst/ /ˌɛθnəʊˈnaʃən(ə)lɪst/adjective
Of, relating to, or characterized by ethnonationalism; that supports or promotes the interests of a particular ethnic group.
noun
An adherent or advocate of ethnonationalism; a supporter or promoter of the interests of a particular ethnic group.
Origin
1960s. From ethno- + nationalist. In use as noun after nationalist.