1) Dealing with isolation and shunning - I feel this is first because it needs immediate attention before you can continue dealing with the rest - maybe a synposis of loss/grief (without necessarily going in depth about the 5 stages of grief)
2) Examining our Beliefs/Discovering your Authentic Self- I think these are very related. What's important to you/what exactly do you believe? What are your values? How do you figure out what's right/wrong for you? I think that's really important since we depended so heavily on the organization and others to tell us what was right and wrong. This ends up being intrinsically tied to who we are.
3) Treatments and interventions
I've been out for about 10 years. Listening to something along those lines would have been really helpful when I first left. Although I was aware of how my decisions would effect my family dynamic I was completely unprepared for all the ripple effects in my life. Even now, although I think I'm completely above it, I still get triggered at certain occasions - like when my family doesn't show up for my kid's graduation or things like that and that's still after almost a decade!