There might be some passing sailors that could be considered important characters too. They are the ones the lighthouse keeper is guiding, so they play a role in the story even if they don't have a large amount of on - page time. Their presence is what gives the keeper his purpose.
In some 'the lighthouse keeper short story' versions, there could be a family member of the keeper. For example, if he has a wife or a son back at the mainland that he misses or writes to. This family member would then be a main character as they influence the keeper's emotions and his longing for home or normal life.
Well, it might be about the connection to nature. In 'the lighthouse keeper short story', the keeper is constantly surrounded by the sea and the elements. His life is intertwined with the natural world around him, so it could be a theme about man's relationship with nature. He has to endure the storms, enjoy the calm seas, and rely on nature's patterns for his daily life.
Most likely, the main character is the lighthouse keeper himself. He is the central figure around whom the story of the lunch revolves.
There could be the lighthouse keeper. He is the most likely main character as he is the one who lives in the lighthouse and has a direct connection to the place. His experiences and actions would likely drive the story.
In 'the time keeper short story', there might be a protagonist who is on a journey related to time. It could be a person who has lost track of time in their life and is trying to regain a proper sense of it. There could also be a mentor - like character, an old timer perhaps, who imparts wisdom about time to the protagonist. Another possible main character could be someone who is trying to cheat time, like a character who wants more time for themselves and tries to find ways to manipulate it within the rules of the story's universe.
The lighthouse was usually a very important element in the description of the novel's environment. Through its performance, it could reveal the background, atmosphere, character's psychology and other aspects of the story. The lighthouse keeper could also analyze the meaning of the lighthouse. As a landmark building, lighthouses usually represented hope and light. In the novel, the lighthouse keeper symbolized the protagonist's spiritual pillar, which brought him confidence and courage, allowing him to remain calm and firm in adversity. The lighthouse could also be used as the background and clue of the story. By analyzing the lighthouse's location, size, shape, color, and other characteristics, the watchman could infer the time, place, background, and other information of the story. At the same time, the lighthouse could also be used as a clue to the character's actions, allowing the watchman to better understand the character's psychology and actions. The lighthouse keeper also needed to analyze the function and significance of the lighthouse. A lighthouse was usually a navigation and illumination facility that provided safety and guidance for ships and pedestrians. In the novel, the lighthouse keeper had to consider the meaning and function of the lighthouse and its impact on the story. For example, the lighthouse keeper might discover contradictions and conflicts in the story and find solutions by analyzing the role of the lighthouse. Therefore, the lighthouse keeper could analyze the lighthouse in the novel from many aspects to help readers better understand the plot and the psychology of the characters.
I'm not positive, but I'd assume the keeper is a main character. There might also be some sort of mentor figure or a sidekick that helps the keeper in their journey related to the lost cities' legacy.
Most likely the two brothers are the main characters. But without reading the story in detail, it's hard to say if there are other important characters who play a significant role in their relationship.
In the 'Keeper of the Lost Cities Tam Short Story', Tam is the key character. His sister Linh is likely to be a significant character as well, given their strong bond. Sophie Foster, a main character in the overall series, may also play a role. She has had various interactions with Tam in the past. And there could be other elves who are either friends or foes of Tam, like Dex, who might be involved in some way in the events of the short story, depending on the plot and the connections within the 'Keeper of the Lost Cities' universe.
There may also be some antagonists or characters that create obstacles for Tam. These characters add conflict to the story, which makes it more interesting as Tam has to overcome the challenges they present.
I'm not sure as we don't have much information, but it could be the lighthouse keeper as a main character.