Hi there,
I understood your functionality, I can design and build your website where users can sign up to discuss different topics as per your need it, I am an experienced web developer and designer have been working for the last 12 years.
We can further discuss more on your project via chat to ensure the complete scope of the work so, I can share my expertise/thoughts on your project, feel free to ask me any questions and be sure to get reliable communication from me.
Regards,
UAN