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20,000 Miles Under the Sea was a science fiction novel by Verne of France. The following is a brief introduction of the main characters in the novel:
1 Captain Nemo (Captain Nicobar): One of the protagonists is a brave captain who serves as a navigator and commander during his underwater journey.
2 Edmundacci: A scientist who was responsible for designing and building submarines to help Captain Nemo travel underwater.
3. Mariatta, a doctor who provided medical services to the crew of Captain Nemo's submarine.
4. Maurice Blanchot: It was another scientist who proposed the famous "water is solid" theory, which provided the theoretical basis for Captain Nemo's journey.
5 Bernardo de Vergere (Dr. Bernardo de Vergere): A doctor and a good friend of Captain Nemo, who provided many medical services to the crew.
6. Maurice Palacio: Another diver. He worked as a cook and postman in Captain Nemo's submarine.
Jean-Luc Pikad was a philosopher who served as a scientist and philosopher in Captain Nemo's submarine to provide intellectual support to the crew.
8 Jean Valtier: Another diver who worked as a postman and cook in Captain Nemo's submarine.
The above characters are the main characters of "20,000 Miles Under the Sea". Their stories run through the entire novel to show the readers a wonderful underwater world.
It's possible that the main characters in 'for the king sea story' include a young and ambitious prince who wants to prove himself to the king by embarking on this sea adventure. There might also be an old and experienced sea dog who has a wealth of knowledge about the sea and its secrets. Additionally, there could be a female character, perhaps a healer or a stowaway with her own motives for being on the ship, who ends up playing an important role in the story.
Haroun is of course a very important character. He is the protagonist who embarks on the journey to the sea of stories. His father Rashid is also important as his situation partly drives Haroun's adventure. Then there is Iff, the water - genie who helps Haroun on his journey. And the Walrus, who is one of the antagonists in the story.
Since I haven't read this novel, it's hard to say. But usually in a novel about a house by the sea, there might be the owner of the house, perhaps an old sailor who has retired there. There could also be a young person who comes to the area for a fresh start and ends up in the sea house, and their interactions with the locals could form the main plot.