I'm not sure specifically which 'passenger to be free story' you are referring to. There could be many stories with such a title or theme. It might be about a passenger who is on a journey towards freedom, perhaps escaping from some form of oppression or confinement.
Since I don't know the exact 'passenger to be free story', I can't say for sure. But it could be the passenger themselves as the main character. There might also be other characters like a fellow traveler who helps the passenger on their journey to freedom, or an antagonist who tries to stop them.
I'm not sure specifically as there could be many stories named 'the passenger short story'. It might be about a journey of a passenger, perhaps facing various challenges during travel, or having some unique encounters on the way.
A 'passenger novel' is likely a novel centered around the concept of passengers. It may explore different themes related to being a passenger. It could show the diverse backgrounds of passengers and how they cope with the situation of being in transit. It might also delve into the psychological states of passengers, such as their hopes, fears and expectations during the journey.
Given that it's a 'passenger short story', the main character is most likely the passenger. But there could also be supporting characters. For example, if the story is set on a ship, there could be a captain or a crew member who interacts with the passenger in a significant way. Or if it's a story about a plane journey, there could be a flight attendant who has an important role in the story. Without more details about the specific 'the passenger short story', it's hard to be certain about all the main characters.