This article is about a Japanese word for "foreigner". For the James Clavell novel, see Gai-Jin. For the video game developer, see Gaijin Entertainment. Gaijin (外人, [ɡai(d)ʑiɴ]; "outsider", "alien") is a Japanese word for foreigners and non-Japanese citizens in Japan, specifically being applied to foreigners of non-Japanese ethnicity and those from the Japanese diaspora who are not Japanese citize