diocesan

adj

1. (not-comparable)Pertaining to a diocese.

   “Diocesan bureaucracies were both symptom and cause of this.”

noun

1. The bishop of a diocese.
2. An inhabitant of a diocese.

   “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!’”