The Shield Hero is of course one of the main characters. There may also be other heroes like the Sword Hero, Spear Hero, etc.
It's a story that typically involves the Shield Hero in some sort of adventure. Usually, there are elements of fantasy, like different races and magic. The Shield Hero often has to face various challenges and foes.
The main character is surely the realist hero. He is likely to be a complex individual with his own set of beliefs and values. There may be a mentor - like figure who has influenced his way of thinking. Additionally, there could be rivals or competitors who challenge the hero on different fronts. And let's not forget about the ordinary people in the story's world, as they would be the ones the hero is trying to help or improve the lives of, and they also serve to show the hero's impact on society.
I don't know for sure as I haven't read it. But it could be the financial hero himself or herself, probably a brilliant financier or an ordinary person who discovers their financial superpowers. There might also be antagonists like greedy bankers or corrupt businesspeople.
The main character is the Shield Hero. There are also other Cardinal Heroes like the Sword Hero, Spear Hero, and Bow Hero. And there are various side characters who play important roles, such as Raphtalia, who becomes an important ally of the Shield Hero.
I'm not sure specifically as there could be many'realist hero light novel' out there. But generally, it would have the titular realist hero as a main character, perhaps also some supporting characters like his friends, family, or colleagues who play important roles in his journey.
The main character is the Shield Hero. There are also other heroes like the Sword Hero, Spear Hero, and Bow Hero. And there are various supporting characters such as Raphtalia who becomes an important ally of the Shield Hero.
There's usually a central protagonist who is often on a journey to become a great hero. Maybe they have some kind of special power or potential that sets them apart.
In 'Sheild Hero light novel', the Shield Hero is of course the central figure. Raphtalia is a very important character. She starts as a slave but grows into a strong warrior under the Shield Hero's guidance. Filo is quite unique. She is cute but also has great strength. The other Cardinal Heroes, like the Spear Hero, Sword Hero and Bow Hero, they each have their own personalities and agendas, which often intersect with the Shield Hero's journey, creating various conflicts and alliances in the story.
The main character is, of course, the forsaken hero himself. He is the central figure around which the whole story revolves.
Without having read the 'zero to hero light novel', it's impossible to accurately name the main characters. But if we think about common tropes in such stories, there could be a protagonist with an ordinary background, perhaps a student or a common worker. There might be an antagonist who stands in the way of the protagonist's rise to heroism. And there could be other supporting characters such as a group of friends who join the protagonist in their adventures and help them along the way to becoming a hero.