if John decided to invest 100's of thousands of dollars of his time and wealth in the project I would still consider him an investor.... actually he is the best investor because that means the developer has a vested interest in the project succeeding......
but this is off topic.
the post is related to the whitepaper, hopefully Im not just answering another smooth/icebreaker puppet that I havent put on ignore yet.
You can call anyone an investor. But saying there's a secret angel investor is quite different:
https://en.wikipedia.org/wiki/Angel_investorThat was a super sketchy move.