Question: do sith troopers use lightsabers?
Answer: Sith troopers were elite soldiers in an army raised on the planet Exegol by the Sith Eternal—Sith cultists who revered the dark side of the Force and were devoted to the Sith religion. ... As such, their red armor was reminiscent of Sith lightsaber blades and the Imperial elite, evoking an aura of fear and death.