Juan Tomás, Kino's brother, serves as the voice of history and tradition. He warns Kino against challenging the established order, reminding him of others who tried and failed. He represents the collective memory of the village. Readers using the pearl pdf can highlight his dialogue to understand the community's fear. Juan Tomás helps Kino, but he also fears the contagion of his bad luck. His character highlights the tension between familial duty and self-preservation in a community living on the edge of survival.