行司 is read as ぎょうじ (gyouji) and means referee.
ぎょうじ
gyouji
たてぎょうじ
head referee
ふくたてぎょうじ
second highest referee
ぎょうじだまり
referee's waiting place
こうい
act
ぎょうぎ
manners
ぎょうせいそしょう
administrative litigation (action)
あんぎゃ
pilgrimage
ぎょうせいしょし
administrative scrivener
こうどうは
active people
こうどうせいたいがく
behavioral ecology
こうどうしゅぎしんりがく
behavioral psychology
あんぐう
temporary lodging built to accommodate an Imperial visit