Many librarians read a story. In the library, they hold story - reading sessions for children. They use different voices for different characters in the story, which can attract children's attention and arouse their interest in reading.
My mother reads a story. She often reads bedtime stories to me. It's a really warm and cozy time.
Kate is the one reading the story. Since we are given the information 'Kate reads story', there's no doubt that Kate is the reader. Reading stories can be a solitary and fulfilling activity for Kate. She might choose stories based on her interests, like mystery, romance or adventure, and get immersed in the world created by the author.
Peter reads a story. Peter could be any person. He may have a particular interest in the type of story he is reading, whether it's a mystery, a romance, or a science - fiction. Reading stories is a common activity that many people enjoy, and in this case, it's Peter who is doing the reading.
Rocket could be a character in a children's book that has the ability to read stories.
I'm not sure which 'Dolly' specifically is reading a bedtime story. There could be many people or characters named Dolly. It might be a mother named Dolly in a family, or perhaps a fictional character named Dolly in a children's book who has the task of reading bedtime stories.
Many kids in grade 3 read Halloween stories. It's a common activity during that grade level.
In many cases, it could be Esperanza herself sharing her experiences. But it might also be someone else close to her, like a family member or a friend, who provides a different perspective.
It could be anyone who has an interest in the genre or topic of your story.
I don't know who exactly Ra is. It could be anyone with that name who has a habit of reading bedtime stories.
Linus might be a character within a particular community or group. Maybe he is a teacher in a school and is reading the Christmas story to his students. Or he could be a member of a church who is sharing the story during a Christmas service.