Influence Followers? Mind you, it only works on your followers, so the more you have the more effective it could be.
scare
By spreading tales of doom and destruction, you will cause morale in the region to fall.
Scare people for x Hours
calm
The opposite of scaring people, you can calm them by telling them about the mercy and strength of their gods. This will slightly improve morale and very slightly reduce independence.
Calm people for x Hours
cause unrest
Gathering enough of the believers, you can try to stir them up into a frenzy and cause civil unrest in the region. This will raise independence and lower production. There is a small risk that the local militia will arrest you.
Stir them up for x Hours
badmouth realm
You can use religion as a political tool. Speaking about the sins of a realm, or that the gods despise it and its government will cause the locals to reduce loyalty or sympathy towards that realm.
Note that clashes with politics cause casualties on both sides. This option will cause you to lose more followers than the simple ones.
Talk bad about for x Hours
laud realm
You can use religion as a political tool. Speaking about the virtues of a realm, or how the gods approve of them will cause the locals to improve their opinion of them, raising loyalty or sympathy.
Note that clashes with politics cause casualties on both sides. This option will cause you to lose more followers than the simple ones.
Laud the realm for x Hours