Pechin
Pechin (親雲上, Pēchin), or Pekumi (親雲上, Pēkumi), historically 大やこもい Opoyakomoi, was a rank among the Yukatchu class of the former Ryukyu Kingdom (modern-day Okinawa, Japan), above the rank of Satunushi and below the rank of Ueekata. As scholar-officials, they often served in administrative positions in the Ryukyuan government.