, also known by his Chinese style name , was a bureaucrat of the Ryukyu Kingdom.
He was the ninth head of an aristocrat family, Ba-uji Yonabaru Dunchi (). He was dispatched to China to pay tribute together with Ryō Kō () in 1762,Chūzan Seifu, vol.10 and was sent to Satsuma to report this in 1665.Chūzan Seifu, appendix vol.4
Yonabaru served as a member of the sanshikan from 1769 to 1796. He managed to run the country by Confucianism, and earned the nickname . He put forward a proposal to make the first statutory law in Ryukyuan history together with his two colleagues, Miyahira Ryōtei and Wakugawa Chōkyō, and the sessei Yuntanza Chōkō in 1775. This proposal was approved by King Shō Boku. The law was completed by Ie Chōkei and Kōchi Ryōtoku in 1786. It was called Ryūkyū Karitsu (), and was jointly signed by Yonabaru and his two colleagues, Fukuyama Chōki () and Ie Chōkei. It was officially promulgated and implemented by the king in the same year."Ryūkyū Karitsu." Okinawa konpakuto jiten (沖縄コンパクト事典, "Okinawa Compact Encyclopedia").
Yonabaru was skilled at ryūka poetry. He was designated a member of the .
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