Lieutenant Arkinson was a Starfleet officer in the 24th century.
In 2371, he was a crewmember aboard the USS Voyager. He was among the crew stranded in the Delta Quadrant, when Voyager was forcefully brought there by the Caretaker.
In 2376, it was reported over the communication system that Arkinson was in the airponics bay. (VOY: "One Small Step")