Answer: a Chinese merchant abroad, an overseas Chinese
kakyō (華僑)
Yes they were ever used but only the term Kakyou is still expected to be heard of the other fews are really old stock Japanese stuff that you don't expect to hears them in the according senses so for instance if a Chinese is calling upon hims...
Chinese people in Japan include any people self-identifying as ethnic Chinese or people possessing Chinese citizenship living in Japan.People aged 22 or older cannot possess dual-citizenship in Japan so Chinese possessing Japanese citizenship typically no longer possess Chinese citizenship.
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Kakyō 華僑 (Overseas Chinese). Tokyo: Iwanami shoten 1995. 1988 Sōdai kōnan kēzaishi no kenkyū 宋代江南経済史の研究 (A Study of the Economic History of Jiangnan in the Song). Tokyo Kyuko shoin 1988. 1982 Hakodate kakyo kankei shiryo shu 函館華僑関係資料 (Collection of historical documents of overseas Chinese in ...
German: Huaqiao m or f. Japanese: 華僑 (ja) ( かきょう kakyō ) Korean: 화교 ( hwagyo) ( 華僑 (ko)) Mongolian: хужаа (mn) ( khujaa) Russian: хуаця́о (ru) m or f ( ...