, also known by his Chinese style name , was a bureaucrat of the Ryukyu Kingdom."Tajima Chōyū." Okinawa konpakuto jiten (沖縄コンパクト事典, "Okinawa Compact Encyclopedia").
He was the eldest son of Okuma Chōjū (), and was also a grandson of Urasoe Chōshi.琉球王朝（第二尚氏）系図 In 1703, King Shō Tei established the in order to compiled an official chorography of Ryukyu Kingdom. Tajima was appointed as the first , the magistrate of this bureau.The Origins of Banana-fibre Cloth in the Ryukyus, Japan He compiled the earliest and most voluminous regional gazetteer, Ryūkyū-koku yurai-ki, and dedicated it to King Shō Kei in 1713."Ryūkyū-koku yūrai-ki." Okinawa konpakuto jiten (沖縄コンパクト事典, "Okinawa Compact Encyclopedia").
Tajima served as a member of Sanshikan from 1710 to 1716.
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