Why does Kit's rescue doll cause suspicion in the other passengers?

Kit's rescue doll raises suspicion among the other passengers because it is an unusual item to have on board a ship, leading them to question her intentions and background. The doll's presence suggests that Kit might be hiding something or is involved in a situation that requires secrecy. Additionally, passengers may feel uncomfortable or threatened by the implications of a rescue, prompting them to scrutinize her more closely. This air of mystery creates tension and intrigue among the group.