heavy lids wrote:
Because he was their guide.
Seven took over that role. She's the Sacagawea of the Delta Quadrant, using Borg knowledge to relay the same kind of information Neelix could give. In essence, only for half a season they were without a native guide.
That left Neelix to his other role- ship's cook. Cooking for 140ish people around the clock keeps him busy.