Since I don't know the exact story, it could be a child and his or her parents. The child might be the main character who is excited about making or having chestnut soup.
I'm not sure specifically as there could be many different chestnut soup children's stories. It might be about a family making chestnut soup together, with the children helping to gather chestnuts, peel them, and then watch as the soup is cooked. Maybe there are magical elements in the story, like the chestnuts having special powers that are transferred to the soup.
There is the main character who comes up with the idea of nail soup. He is often a clever person. Alongside him, there are the kind - hearted or curious neighbors. These neighbors play an important role as they are the ones who contribute different things like vegetables, meat, and spices to the soup.
The main characters are the travelers or strangers who come to the village with a stone. And also the villagers who at first are skeptical but then start contributing to the stone soup.
In some versions of the 'chicken soup and rice children's story', there could be a friendly neighbor or a grandparent who plays an important role. Maybe the grandparent has a special recipe for the chicken soup and rice and tells the child stories while they eat. So, it really depends on how the story is written, but the child and their family or close ones are usually the main characters.
There are police officers who are the main characters as they are the ones trying to solve the mystery of the Chestnut Man killings.
There is a detective. I don't recall his name exactly, but he is central to solving the mystery in the novel.
There's the clever traveler in 'Stone Soup the Story'. He's the key figure as he comes up with the plan to make soup with a stone. And then there are the villagers. They are important characters too. At first, they are skeptical but gradually they get involved and become part of this unique soup - making event. They all together make up the main characters in this story.
The main characters are the travelers and the villagers. The travelers initiate the making of the stone soup, and the villagers are the ones who gradually contribute to it.
Since I don't know the exact'soup stone story', it's hard to say for sure. But it might be a hungry person, let's call him Jack. Jack has a stone and starts the soup - making process. Then there could be a group of kind - hearted neighbors, like Mrs. Smith, Mr. Brown, and little Tommy, who come to see what Jack is doing and end up contributing to the soup.
The main characters in the stone soup story are the traveler and the villagers. The traveler is the one who initiates the making of the stone soup, and the villagers are the ones who gradually contribute ingredients to the soup.