He’s the lighthouse keeper, the sheep farmer, the firefighter, the air-traffic controller… The Guardian tries to keep up with Billy Muir, the pensioner who almost single-handedly keeps the tiny island economy of North Ronaldsay afloat.
http://www.theguardian.com/lifeandstyle/2016/feb/27/meet-man-with-20-jobs-north-ronaldsay
PS North Ronaldsay is the most northerly of the Orkney islands, 6,9 km2 with 72 all-year inhabitants.