Also, there might be an antagonist. This could be a person or a situation that stands in the way of the main character achieving whatever they are seeking during their night - time walks. It could be internal, like their own fears, or external, like another person causing trouble.
One main theme could be self - discovery. The characters might be on a journey at night, which often symbolizes a time of introspection. Walking in circles can represent the idea of being lost in one's own thoughts or life, and through this journey, they may find out more about themselves.
Since I don't know the details of this novel, I can't tell who the main characters are.
Viola is extremely important. She is the one who starts the chain of events by disguising herself as a man named Cesario. Her love for Orsino and the confusion it causes are central to the plot.
One important character is Virgil Tibbs. He brings a different perspective to the town as a black man in a position of authority in the detective work. The other characters include the suspects he has to deal with. Each suspect has their own story and motives, and through his interactions with them, we see more of the complex social fabric of the town.
Sal is the most important character. She's the narrator and her journey is the central focus of the story. Her father also plays an important role as he's part of her family and his decisions affect Sal. Phoebe, Sal's friend, is also crucial. Phoebe's family situation and her reactions to it parallel Sal's own experiences in some ways.
Since I don't have the full details of the 'A Long Walk to Freedom' short story, it's hard to say exactly. However, often in such stories, there is a central figure who is the driving force for change and freedom. This character may have a mentor - like figure or an antagonist who stands in the way of their quest for freedom. There could also be characters representing the oppressed masses that the protagonist is trying to liberate.
Salva is a very important character. He is a young boy who has to endure a lot during his journey in search of water and a safe place.
Shirou Emiya is a very important character. He is the main protagonist and his journey forms the core of the story. Saber is also crucial. She is a Servant and has a complex relationship with Shirou. Rin Tohsaka is another important character. She is a powerful mage and plays a significant role in the events of the Holy Grail War.
Some important characters are the football players, the coach, and the cheerleaders. They are central to the story as they represent different aspects of the high school football experience in the town.
Some important characters are Viola, Duke Orsino, Olivia, Sebastian, Sir Toby Belch, Sir Andrew Aguecheek, and Maria. Viola is central as she drives much of the plot with her disguise. Duke Orsino is the lovesick nobleman, and Olivia is the object of his affection. Sebastian is Viola's twin brother. Sir Toby is a jovial but sometimes troublesome character, Sir Andrew is his gullible friend, and Maria is a clever servant who often gets involved in the schemes.