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In August 1727 a party of three men and several boys from Hirta, St Kilda, was rowed to Stac an Armin, a sheer sea stack, to harvest seabirds for a few weeks. No boat returned, because smallpox had killed most of Hirta's population. They survived the North Atlantic winter on birds, eggs and rainwater for about nine months before being taken off in 1728.
When the stranded group gets no word of why rescue fails to come, they fill the gap themselves. They guess that they have been forgotten, or punished, or that the world has ended in the Rapture and left them behind. The explanation a group chooses for an unexplained absence shapes its morale, its behaviour and how long it keeps going, more than the actual facts do.
On the stack, food and shelter alone do not keep the boys alive. What sustains them is the stories, jokes and imagined futures one of them keeps telling. Narrative gives the days a shape and holds off despair, so the person who can hold a group's imagination becomes as vital as the person who can catch birds.
When the expected adult order breaks down, one adult tries to rule through religious guilt and fear of damnation. He tells the boys their suffering is punishment for their sins. The boys drift toward whoever offers care, practical competence and hope, which shows that authority built on fear decays under strain while authority grounded in service holds.