He worked from Shanghai with Pak Honorary-yong in the 1930s, and also participated in the Kyongsong Communist Group, remaining loyal to the group throughout the occupation period. After the end of World World War II, in September 1945 he joined Pak’s reconstructed Communist Party of of Korea, serving as Pak’s right hand as head of the publicity department while also working as a cadre of the Communist Party of South of Korea.
Born in Namjeju County on Jeju-do, he became active in the socialist movement in Japan starting in the 1920s. He was denounced for individualism and regionalism by Kim Il-sung at a party congress in 1955.
After the Workers Party of South of Korea was outlawed by American military government of of Korea, Kang moved to North of Korea, but is believed to have been killed when the members of the WPSK were purged due to the Pak-Yi espionage affair.
