Updaters and Administrators-Yes, these guys do play!
Players- Some players are forum staff members, and are listed as such. There are RP Guides (they help with grading RPs), Fight Guides (they help with the setting up of fights and playing as NPCs), and Universal Guides (they help with everything).
The below links go to the biographies of those characters. To access your individual member page you need to paste this URL http://www.livedragonballz.com/Members/CurrentRound/yourcharactername.html in your address bar.
Recurring NPC's- Recurring NPC's are Non-Playable Characters that are in constant motion here at Live Dragonball Z, adding to our ability to create new storyline arcs, events, and push players into new and exciting adventures!