The main character is surely the ghostwriter. They might be a struggling writer trying to make a living by writing for others. There could be a rival ghostwriter in the story too, someone who competes with our main character for jobs. And perhaps there's a client who has a very demanding personality and gives the ghostwriter a hard time while they are working on the project.
In the 'ghost writer story', the central figure is the ghostwriter. But there could be other important characters as well. For instance, there could be a mentor figure who taught the ghostwriter the ropes of the business. There might also be a character who discovers the ghostwriter's secret identity and tries to blackmail them, adding a layer of drama and conflict to the story.
The main characters in the 'the ghost writer story' would include the ghost writer, who is the central figure in this kind of story. The person for whom the ghost writer is writing is also a main character. This could be a celebrity, a businessperson, or anyone who needs written work but doesn't want to or can't do it themselves. Additionally, there could be a rival writer or a journalist who might suspect or try to uncover the ghost writing, adding more tension to the story.
Since I don't know the specific 'ads ghost writer story', it's hard to say. But generally, there would probably be the ghost writer themselves as a main character. There might also be the clients who hire them, like business owners or marketing managers.
In a typical 'the ghost writer novel', the main characters usually include the ghost writer. This character may be complex, having their own dreams and insecurities related to their writing career. Another main character could be the person for whom the writing is being done. They might be demanding, secretive or have a hidden agenda. And there could also be an editor or a publisher in the story, who might be involved in the process of getting the ghost - written work out into the world, and they could add more layers of conflict or support to the plot.
In 'the ghost story', the main characters could be the people who encounter the ghost. Maybe a group of curious kids or a brave investigator.
As I don't know the particular '1930 ghost story', it could have a protagonist like a young journalist who is investigating the strange happenings. There might also be an old caretaker of the haunted place who has some secrets.
The main character in the Ghost of Tsushima main story is Jin Sakai, a samurai with a strong sense of duty towards his homeland. His uncle, Lord Shimura, is an important part of the story. Lord Shimura represents the traditional samurai values. Another important character is Yuna. She is a thief - turned - ally of Jin. She has her own skills and knowledge of the island which prove invaluable to Jin in his fight against the Mongols. There are also Mongol characters like Khotun Khan, who serves as the main antagonist, driving the conflict in the story.
The obituary writer herself is surely a main character. She's at the center of the story as she's the one writing about others.
Well, it could be a group of paranormal investigators as the main characters. They enter the ghost world to study it and end up getting involved in all sorts of adventures and mysteries within the story. Or perhaps there is a lonely ghost who is the central figure, and the story is told from their perspective as they interact with the living or other ghosts in the ghost world.
In the story of 'Ghost in the Shell 2017', the most prominent character is Major. As a cyborg, she is at the heart of the narrative. Then there's Batou, who is her partner in Section 9. He is a tough and reliable ally. There's also Aramaki, the leader of Section 9. His leadership and strategic thinking are important for the team's operations. These characters together form the core of the story as they face various challenges related to cybernetic threats and Major's search for her true self.
The main characters in 'the brethren ghost story' would most likely be the brethren. They could be people who live together in a community or belong to a particular organization. There might be a leader among them who takes charge when the ghostly events start to occur. And there could also be a character who is initially skeptical but then becomes a believer as the story unfolds.