Isshin Ajari – Members of the imperial family or Sekkan-ke (the families which produced regents) who entered the priesthood while young and were allowed the title of Ajari at a young age by virtue of their noble birth became this;
一身阿闍梨（いっしんあじゃり）皇族や摂関家の子弟から仏門に入り、貴種のゆえをもって若いうちに阿闍梨の称号を許された者がなる。