Not only can you follow tribes and keywords, but you can also follow individuals. When you follow another member on Triberr their posts will show up in your stream for approval, and you also have the option of setting them to auto-share.
You can follow members via streams by hover over their avatar image then select the follow icon located within the hover card.
Alternatively, you can go to the members profile page that you would like to follow. Next to their profile photo, click the gold “Follow” button