Priest or religious leader (6)
I believe the answer is:
cleric
I believe this clue is a double definition.
'priest' is the first definition.
(both can mean a clergyman)
'religious leader' is the second definition.
(I've seen this in another clue)
(Other definitions for cleric that I've seen before include "Priest, religious leader" , "One who takes orders" , "Divine" , "One is in religious orders" , "Person ordained to the Christian ministry" .)