It might be a first-person narrator who witnessed the events related to Charles. Such a narrator can bring a sense of immediacy and authenticity to the story. Or it could be a storyteller who has no direct involvement but tells the tale based on gathered information or rumors.
Maybe it's a third-person narrator who has an omniscient view. This allows for a broader perspective and insights into multiple characters' thoughts and actions. Another possibility is that it's a limited third-person narrator who focuses mainly on one or a few characters' experiences.
It could be the main character themselves. Sometimes authors use this technique to give a direct and personal account of the events.