Intelligent middle son who theorizes about the island's geography; accompanies his brothers on expeditions, competes for Roberta's affection, and ultimately leaves for university in London.
Father supports the middle son's intellectual curiosity and practical contributions.
Maternal anxiety about the middle son's long-term prospects and family life.
Brotherly rivalry fueled by romantic competition and differing life goals.
Supportive middle brother who shares exploration and survival duties.
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