The main character is Jack Reacher. But depending on the plot, there could be a mentor - like figure from his past, or a love interest, even if just briefly. There might also be authority figures, like police officers or military superiors, who interact with Reacher and play a role in the events of the story. It could also include some side characters who help Reacher or, on the contrary, try to hinder him as he goes about solving whatever mystery or facing the conflict presented in the short story.
Obviously, Jack Reacher is one of the main characters. Given it's about his story as a second son, it might also involve his family members in some capacity.
I'm not sure specifically as I haven't read this exact short story. But generally, in Jack Reacher stories, we can expect elements of mystery, action, and Reacher using his unique skills to solve problems or get out of tough situations.
In the first Jack Reacher story, the central character is of course Jack Reacher. He's a complex character with a military background. Then there are likely to be some local characters in the setting where the story takes place. For example, a local sheriff who might be initially suspicious of Reacher but later realizes he can be an ally in solving whatever problem is plaguing the town. And there will be the bad guys, who could be part of a criminal gang or some corrupt officials. These antagonists are there to create conflict for Reacher as he tries to figure out what's going on and set things right.
The main character is Jack Reacher.
Jack Reacher is obviously one of the main characters. There may be other characters like the antagonists who oppose him in the story, perhaps some law enforcement officers or criminals, but without more specific knowledge about the exact 2010 novel, it's hard to name them precisely.
Obviously, Jack Reacher himself is the main recurring character. He is the one who drives the stories forward with his actions and decisions. Another recurring character could be the local law enforcement officers he sometimes teams up with or clashes with.
There's Frances Neagley. She's a tough and highly capable woman who has a long - standing relationship with Reacher. She's often involved in his adventures and is someone he can trust. Another is Hubble, who plays an important role in some of the stories. He gets caught up in a dangerous situation that draws Reacher in.
In the 'Persuader' Jack Reacher novel, the main character is, of course, Jack Reacher. He has a very distinct personality. He's a loner, a drifter who still has a strong sense of justice. He gets involved in a complex case. The other main characters are the ones who are part of the conspiracy that Reacher is trying to unravel. There's the mastermind behind the illegal activities and the people who are carrying out his orders. There are also some side characters like the local cops or informants that Reacher interacts with, which helps to build the world of the story.
The character of Roscoe Conklin is also well - liked. She is from a small town that Reacher gets involved with. She is strong - willed and her interactions with Reacher add an interesting dynamic to the story.
The identity of the fourth man in 'A Jack Reacher Short Story' remains a mystery without further reading. However, based on the general style of Jack Reacher stories, he could be a criminal, an informant, or even an undercover agent. He could be the key to a mystery that Jack Reacher needs to solve, whether it's a murder, a theft, or something more complex.
The main character is obviously Jack Reacher. There's also Major Susan Turner who plays an important role in the story.