Well, of course, the unwilling hero is one of the main characters. They might be an ordinary person with some flaws, like being a bit lazy or having a fear of taking risks.
There could also be a mentor figure. This person might try to persuade the hero to accept their role. They could be an old wizard or an experienced warrior who has seen the importance of the hero's mission.
A villain is also likely to be a main character. Their actions are what often force the hero to face their destiny. The villain might be a powerful sorcerer or a tyrant ruling over a land, and their evil deeds are what set the story in motion, making the hero, even if unwilling, have to take action.
The wife is the central figure in the 'unwilling wife story'. But depending on the nature of her unwillingness, there could be other characters. If it's a story about her not wanting to move for her husband's job transfer, then her husband is a key character. Also, if there are children involved, they could be important characters too. The children might be caught in the middle of the conflict between their parents, or their needs could be a factor in the wife's decision - making process.
Another possible main character could be the hero's best friend or partner in adventure. They might not be as skilled with the bow as the hero, but they have other skills like being a great tracker or having knowledge of ancient magic that helps the hero in their quests.
Another possible plot is that the hero discovers that there are greater consequences to their inaction than they initially thought. So, they start to gradually embrace their role, not wholeheartedly at first, but as they learn more about the situation, they become more involved. This transformation from an unwilling hero to a more committed one can be a very engaging plotline.
Since we don't have the actual fanfic, it's hard to say for sure. But if it's centered around Ash as a hero of ideals, Ash is definitely a main character. There might also be his friends or allies who accompany him on his adventures and support his pursuit of his ideals.
Naruto is likely to be one of the main characters since it's a 'naruto hero of amegakure fanfic'. There may also be some of the local ninjas from Amegakure, like Konan or Nagato. Maybe they interact with Naruto in different ways, either as allies or at first as antagonists and then become friends as Naruto shows his good intentions.
GoGo could be a main character. She's strong - willed and independent in the original Big Hero 6, and in a Yuri fanfic, she could be in a relationship or have strong emotional ties with another female character. Honey Lemon is also likely. She's kind and creative, and her personality would make her a great candidate for a Yuri - themed relationship. They could be exploring their feelings for each other in the fanfic.
Sometimes, it might also feature well - known characters from the original 'Boku no Hero Academia' but with a psionic twist. For example, Deku could potentially develop some psionic abilities in addition to his One For All quirk, which would completely change his character dynamic and how he interacts with others in the story.
A potential main character could be a young hero - in - training who discovers they have an affinity for magic. They would then have to balance learning their hero skills with mastering magic, like Izuku Midoriya but with a magical twist.
Well, it could be new characters created specifically for the fanfic, who possess the so - called 'illegal' quirks. They might be young individuals trying to find their place in a world that doesn't accept them at first.
Since we don't have more information about the specific 'hero and hero disowned novel', it's hard to say exactly. But generally, there would be the hero character who experiences being disowned. There might also be characters like a mentor or a sidekick who play important roles in the hero's journey.