So, bad news. Culturally, the Wasq'u consider Kiksht something that is for the community rather than outsiders. So unfortunately I think it will be extremely challenging to find someone to teach you, or resources to teach yourself.
How do you combine that feeling/observation together with what you're working on now, which I'm guessing you'll eventually want to publish/make available somehow? Or maybe I misunderstand what the "it will eventually be of help" part of your first comment.
I’m not sure that the AI itself has many ethical complications. Many terms of service grant AI companies ownership of the data you supply to them though and that very problematic for many tribes which consider the language sacred and not to be shared.