Udaijin (Minister of the Right) (右大臣)
Udaijin was one of the positioins in Daijokan (Grand Council of State), which was the highest body in the organization of the imperial court. Equivalent Chinese Posts: Right Ministry, Ujosho, Ushokoku, Ubokuya, Taiho. The Japanese reading is miginooimouchigimi / miginootodo. He fulfilled a support role for Sadaijin (Minister of the Left), and would carry out the duties of Sadaijin when he was unable to do them for some reason.
It is equivalent to an official rank of sho/ju nii (Senior/Junior Second Rank)