internationalistсуществительное A person who advocates or believes in cooperation and understanding between nations. As an internationalist, she worked tirelessly to promote peace and collaboration among countries.
A person who is involved in international affairs or relations. The conference was attended by several prominent internationalists who discussed global economic policies.
A supporter or member of an international socialist or communist movement, especially the Communist International. During the early 1920s, many internationalists campaigned for a worldwide workers’ revolution.