Theta (classification)
In the mirror universe, theta was a classification of  slaves that were moderately highly ranked and entrusted with certain important tasks. 

 was classified as a theta in 2370, and was relatively well-respected by Intendant . 

Another Terran, less respected, was 0413 Theta, who attempted stowing on board a freighter but was caught by security. He was demoted to a  by Kira and interrogated by Gul . ()

nl:Theta (classificatie)
Mirror universe
Classifications