大祭司

High Priest

see 大夫[dai4 fu5]

big; large; great / older (than another person) / eldest (as in 大姐[da4 jie3]) / greatly; freely; fully / (dialect) father / (dialect) uncle (father's brother)

surname Zhai

to offer a sacrifice to (gods or ancestors) / memorial ceremony / (in classical novels) to recite an incantation to activate a magic weapon / (lit. and fig.) to wield

priest

surname Si

to take charge of / to manage / department (under a ministry)