I don't want to be "that guy" but a mate of mine is the music director is in his local church here in the UK, plays the organ and piano, is mostly self taught and is also gay... he's even going to be teaching me to play the organ later on this year (and I'm joining his choir for a bit of fun... he also knows I'm not religious at all and in his own words "faith is not a requirement")

All I'm saying is you just need to find the right church and person... most people will happily share their passions with equally passionate beginners, and churches are crying out for organ players, they are a dying breed.