Ok, just tossing some more ideas out.
How would this feel?
BEGINNERS
Although anyone's welcome to participate, this is a supportive, judgement-free zone for topics of interest to brand new piano learners. Don't be shy. All questions are good questions.
AMATEUR PIANISTS
Although anyone's welcome to participate, this is a welcoming, fun (adjective adjective) place that focuses on topics of general interest to all players (dabblers, hobbyists, serious students, etc.)
PROFESSIONAL PIANISTS
Although anyone's welcome to participate, this forum is focused on topics of interest to serious, advanced, and professional pianists.
What do you all think?
(I don't intend to come across as writing the text for the site. It's not my site. It's just ideas to kick around, to see what might help more people feel comfortable contributing.)