c An religious teacher will be the first person to betray you to the enemy.Much less be trustworthy.
The main profession the religious world learn is how to ask others for money. That is their main goal in life. How to get money from others.
The way they do this is sneaky. They pretend to be doing public service by getting people to do meaningless rituals and then expect to get paid for that. They also make yeshivas that are frauds. They pretend we are all one big happy family but then when one is on board the ship and no longer is able to learn an independent livelihood they throw off the pretense and it becomes about being their slaves.
This is not Lashon Hara (slander) because just think fora minute if I am right. Lets say all religious teachers are this exact way. Then anyone who knows this and is quite about it is transgressing every second the prohibition אל תעמוד על דם ריעך Thou shalt not stand by and see the blood of your neighbor spilled.