Q (Captain)
Q was a member of the  traditionalists in the Q Continuum during the Q Civil War in 2373.

In an illusion of the American Civil War created by Q, so that Kathryn Janeway could comprehend the Continuum, this Q was represented as a  of the Confederate Army, serving as an aide under Colonel . Following Q and Janeway's capture, this Q led them into Colonel Q's tent at his encampment. He was later dismissed by the Colonel as the latter began to speak with Janeway. 

He later stood post as the firing squad prepared to execute Q and Janeway the following morning. ()

Captain Q