Parts of the letter is cut off, my understanding is that this is only to be "in good standing" with church and vote. I'm not a church goer anymore, but it seems like she can still attend, listen, and just bounce. I wouldn't want to get too much involved with anything like this.
By the way, I was a member of a Buddhist community once, did service there and even organize study groups. And the whole time they swore it wasn't a religion, that it was a "faith". I've beento Kingom hall plenty of times, It's all the same shyt.