diocesan

hiippakunnan esimies, piispa

hiippakunnan- Pertaining to a diocese.
2009, (w), A History of Christianity, Penguin 2010, p. 378:

Diocesan bureaucracies were both symptom and cause of this.

The bishop of Chartres indignantly informed the king that his diocesans were dying like flies and eating grass like sheep, and indeed both the king and Fleury got a fright when their coaches were stopped in the Paris countryside by peasants crying out ‘Famine! Bread!’ rather than ‘Vive le Roi!’