Mephisto or Tesco, or whoever is running the game on PBW. If you don't want people to keep trying to join the game you can simply set the max number of players to 8, or whatever the current number of players is at. This will prevent people from attempting to apply. It will not even show in the open game list then.
By the way, you all realize your happy little thread here is pushing 1200 Posts? This is practically it's own forum.
Geoschmo