Career
He was also diplomat and ambassador, representing Joseon interests in the 7th Edo period diplomatic mission to the Tokugawa shogunate in Japan. In 1682, King Sukjong of Joseon caused a mission to be sent to Japan. And Yun Jiwan was the chief emissary.
This diplomatic mission functioned to the advantage of both the Japanese and the Koreans as a channel for developing a political foundation for trade.
This delegation was explicitly identified by the Joseon court as a "Communication Envoy" (tongsinsa). The mission was understood to signify that relations were "normalized.".
