Seeing that Enchilada Man left in NeS1 Post 58, Arbiter assumes that he gets a turn in the arena to fight against Gebohq. He calls Gebohq a knave, which shocks Gebohq because he thought Arbiter was nice despite being a sith.
Arbiter: Looks like I'm in. Have at you, nave!
Geb: Nave!?! I'm shocked! and i thought you were a nice Sith dude.
*arbiter shrugs again and runs toward geb*