T’Dai

Zabrak Jedi Master T’Dai, lead a group of Jedi Knights in 700 BBY on a mission to hunt down a group of Bpfasshi Dark Jedi, among his Jedi Knight companions were his former companion Minch. During the chase, Minch was defeated by one of The Dark Jedi that they were hunting, howevere the rest of the Jedi, including T’Dai, intervened and after his defeat The Dark Jedi commited suicide out of loyalty to his master. 
 
While on Dogobah, T’Dai ordered Minch not to pursue the Bpfasshi Master’s ship whilst it had landed. Minch disagrred and ignored the order given to him by the more senior Jedi and cornered the Dark Jedi Master in a cave, and then defeated him. Although it was a success, the cave would be tainted by the dark side forever more.