Since I don't have detailed knowledge of this particular 'the long walk novel', it's hard to say exactly. However, common types of main characters in this kind of story could include a brave adventurer type, someone who has a personal vendetta or goal related to the long walk. There could also be a character who is initially reluctant but is forced to be part of the long walk and then finds a new purpose during the journey.
In many such novels with a long walk theme, there could be a young and naive protagonist who starts the journey and matures along the way. There might also be an older, wiser character who serves as a guide or mentor. And perhaps there are some antagonists or obstacles in the form of other characters who try to stop the main characters from achieving their goals during the long walk.
I'm not sure specifically without reading the novel, but it could be a solitary traveler who is the focus of the long walk home. Maybe a man or a woman who has some sort of mission or just the need to get back to their place of origin.
Nya is also a main character. She spends a large part of her day walking a long distance to get water for her family. Their stories are intertwined in the novel, showing different aspects of the water - related struggles in their region.
Since I don't know the specific long walk story, it's hard to say for sure. But generally, there could be a determined leader who guides the group during the walk. There might also be a young and inexperienced character who learns a great deal during the journey.
There is Salva. He is one of the main characters who endures a long and arduous journey in search of water.
I don't have specific information on the main characters of this story. However, in a typical cyberpunk story, there could be a hacker or a cyber - enhanced individual as a main character.
I'm not sure specifically without more details about the 'a long walk home story', but it could be a lone traveler who is the main character, trying to make their way home.
The prison guards also play a role, in a way. They represent the oppressive system. Their interactions with Mandela and the other prisoners highlight the contrast between the oppressors and the oppressed, and how Mandela was able to rise above the situation and eventually change the minds of some of them.
Not having the full knowledge of 'the long walk true story', we can assume that the main characters are those directly involved in the long walk. It could be ordinary people who found themselves in extraordinary circumstances. They might be from different backgrounds, ages, and genders. Some could be experienced walkers, while others might be novices. There could be a character who is the driving force behind the group, inspiring others to keep going. And there may be those who face the most difficulties and yet manage to grow and adapt during the long journey, making them important characters in the story.
There are two main characters in the story. One is Salva, a young boy who goes through many hardships in his search for water. The other is Nya, a girl who also has a big part in the story related to the long walk for water. Their stories are intertwined as they both face the challenges of water scarcity in different ways.
Nya is also a main character. She has to walk long distances every day to get water for her family. There are also other characters in the story who interact with Salva and Nya and play important roles in their lives.