Jarvis

From Memory Alpha, the free Star Trek reference

You may also be looking for Jaris, Prefect of Argelius II.

Crewman Jarvis was a crew member of the USS Voyager while the ship was in the Delta Quadrant.

While The Doctor was delusional in 2371 he imagined that he and Reginald Barclay were going to disable the holoemitters in engineering and that Janeway ordered Jarvis and Parsons to stop them. (VOY: "Projections")