Erizon
+1So I propose that to extinguish an unattended fire, one must use water from the Water Carrier occupation. Water, when in the presence of a fire, shall have an additional option: Extinguish campfire. This will consume the water and extinguish the fire causing it to disappear within seconds.
Though I would additionally propose not requiring the creator to be absent, and giving the creator the option to extinguish without water.