If all he cares about is NGU and custody exchanges then it will be your fault if he loses money and his fault if he makes money.

I would ignore the investment side of things and focus on the community. Bitcoin has mostly always had a really good community.

https://video.nostr.build/c15a8f80b0ee38024f680e5dc080c07163798f5dcf622d5dc0429a3bd9eb0ffb.mp4