Since religion, if I got it right, is been turned into different political types of government; the priests could be turned into philosophers, druids, zealots etc..
Depending on which faction they will "preach" their government, and may get particular traits and retinues which may increase their influence or turning them into "revolutionaries" (they will create unrest, in the end turning into "heretics", an example could be Epicureanism)...
Just an idea...
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