You write too much
Still not sure quite what you want to do.
First of all, you need to install BuddyPress. On first glance at your site, it doesn’t look like you’ve installed it at all.
Second of all, since you’re using a different theme, once you’ve installed BP, you’ll need to use the BP Template Pack plugin so your theme can support BP:
Once you’ve done these steps, then we can proceed.