Luke Skywalker is a main character. He plays a crucial role in guiding the new Jedi Order.
Another main character is Vergere. She is a very mysterious character in the 'new jedi order novels'. Her actions and her relationship with Jacen Solo have a great impact on the overall plot. She has unique abilities and her motives are often unclear, which makes her a very interesting character to follow in the story.
Since it's about the new jedi order, there may be a group of core Jedi characters. Some might be from different species. There could be a Jedi master who is leading the new order, teaching the younglings. And there could be a rogue Jedi or an outsider who has an important role in the story, either as an ally or a threat.
Cal Kestis is one of the main characters. He's a young Jedi trying to survive. Cere Junda is also important. She has her own past with the Jedi Order. Greez Dritus is another main character, a pilot who helps Cal in his adventures.
The main character is Cal Kestis. There are also Greez Dritus, a pilot who helps Cal on his journey, Cere Junda, a former Jedi who guides Cal, and the Second Sister, an Inquisitor who is after Cal.
Rey is definitely one of the main characters. She continues her journey of self - discovery and her training in the Force.
I don't know as there is not enough information given. It could be a story about ordinary people who become leaders in creating a new order, like a young activist or a local entrepreneur.
Maybe some defectors from the Empire. A stormtrooper who has seen the cruelty of the Empire and decides to join the new Jedi order. He could bring valuable information about the Empire's military operations and also learn to use the Force in a different way. Another potential new character could be an old hermit who has been hiding ancient Jedi secrets. Cal and his friends find him during their travels and he becomes an important mentor for them.
In many 'Star Wars Jedi novels', Luke Skywalker is a main character. He is often central to the stories as he is a powerful Jedi trying to rebuild the Jedi Order. Another common main character is Obi - Wan Kenobi, especially in the 'Jedi Apprentice' series where his growth as a Jedi is explored. Anakin Skywalker also features prominently in some novels, like 'Jedi Trial', as his journey towards the dark side is sometimes detailed.
One great 'new jedi order novel' is 'Vector Prime'. It sets up the new storyline well.
The main character is B.J. Blazkowicz. He is a key figure in the fight against the Nazis in the game's story.
In Wolfenstein: The New Order story, the most prominent character is B.J. Blazkowicz. He is a tough and determined resistance fighter. There are also other characters like Caroline Becker, who plays an important role in the resistance as well. She works alongside B.J. in their fight against the Nazi regime.