[kupiakos]

It's enigmatic, yes, but it seems to be the more common term amongst some atypical groups (neurodiverse and queer/trans people are who I have the most interaction with). There are some people who find unusual to be more pejorative than atypical.

[Gik]

Yes, kupiakos, pejorative is not good, I'll change it now for atypical in a few moments. Thanks for your input!

[TotempaaltJ]

I quite like "neurodiverse", if you intend to be that specific.