Arthur observes Saunders closely and notice he is making plans and taking strange precautions . This behavior leads Arthur to believe that Sanders may be involved in a criminal or political scheme . He considers informing the police, but he decides against it decides against it after realizing that he has no substantial evidence
As time passes, Arthur's suspicions grow stronger, and he feels torn between his ethical obligations and his desire not to get involved in potential danger . He also becomes worried about his personal safety. Eventually , he decides to confides in another hotel guest, named colonel Winton.
Colonel Winton listens to Arthur's concerns and offers his perspective on the situation . He suggest that Saunders may simply be eccentric rather than involved in nefarious activities. Arthur remains unconvinced, but he agree to keep his worries to himself for the time being.
In the end, Arthur remains uncertain about the truth behind Sanders' behavior. the story leave readers with a sense of ambiguity and the question of whether Arthur's suspicions are valid or the result of his own paranoia.