was a Japanese samurai of Satsuma Domain during Edo period, later became a bureaucrat of Ryukyu Kingdom.
Tōma Jūchin was born to a Japanese clan, Ijichi-shi () of Ōsumi Province, and was given the name . He was a descendant Hatakeyama Shigetada.
In his early years, he was appointed as and sent to Ryukyu. Later, he became a bureaucrat of Ryukyu in 1634, started to wear Ryukyuan clothes, and started to use "Tōma Jūchin" and ."Tōma Jūchin." Okinawa konpakuto jiten (沖縄コンパクト事典, "Okinawa Compact Encyclopedia").
After Satsuma's invasion of Ryukyu in 1609, Ryukyu were getting poorer and poorer. Ryukyu had to borrowed money from Satsuma, but the debt was getting heavier and heavier and Ryukyu was unable to pay off it. Tōma Jūchin established government monopoly system of muscovado and turmeric in 1645, which alleviated the intense economic difficulties faced by the kingdom successfully. He also minted in 1656.Kyūyō, Appendix vol.1"Hatome-sen." Okinawa konpakuto jiten (沖縄コンパクト事典, "Okinawa Compact Encyclopedia").
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