Creating and nurturing a place like that takes a lot of time and energy, and you would be reinventing the wheel. There are already websites like that out there. It might be more helpful to volunteer to help out on one of those in some way, rather than create something new that would compete. Here are some examples:
I'm Getting Bullied
https://m.facebook.com/BEENBULLIED?id=184080621685509
ReachOut.com USA Information and support for young people going through tough times.
This is perfect! Thank you so very much!
With love,
~Cat