udaijin
Udaijin (右大臣), literally "Minister of the Right," was a high-ranking official in the imperial court of Japan and a member of the Daijō-kan, the Council of State, during the Nara and Heian periods. The office was one of the senior positions in the government and was part of the system established by the ritsuryō codes.
In the court hierarchy, the udaijin ranked below the sadaijin (Minister of the Left) and above the
The udaijin was entrusted with advising the emperor and handling state affairs routed through the Ministry
During the Heian period, many udaijin were connected to the powerful Fujiwara clan, which used the office