Vet them, make them sign some kind of contract, only send certain passages to certain people, use an alias (if you were planning to do that when it releases)
I don't know specifically what you're concerned about with a breach of trust but surely there's a solution to it.
IN CLINICAL, SCIENTIFIC OR PHARMACOLOGICAL SETTINGS. NOT AS A FUCKING PERSONAL DRUG. Utter nonsense.
I still don't understand why you haven't tried to crowd source the editing on your book
How can I trust anyone?
Vet them, make them sign some kind of contract, only send certain passages to certain people, use an alias (if you were planning to do that when it releases)
I don't know specifically what you're concerned about with a breach of trust but surely there's a solution to it.