Not having read the 'fallen star novel', it's difficult to say for sure. However, typically in a story with such a title, there would likely be a central character who represents the fallen star. This character might be a complex figure with a backstory that led to their fall. There could be other characters related to this main character in different ways. For instance, a mentor - like figure who had high hopes for the fallen star and is now disappointed, or a love interest who is torn between loyalty and the reality of the star's changed situation. There may also be characters who are indifferent to the fallen star's plight, which could add to the complexity of the story's social dynamics.
In the 'fallen star story', the main characters could be quite diverse. It could be a lonely wanderer who stumbles upon the fallen star and finds that it has some sort of power or message for them. This wanderer's exploration of what the fallen star means and how it affects their life would be the focus. Or perhaps it's a team of scientists and adventurers who set out to study the fallen star. They might face various challenges and conflicts among themselves during their mission, which would make them the central characters of the story.
Cal Kestis is one of the main characters. He is a young Jedi. Cere Junda is also important. She has her own past related to the Jedi Order.
A young orphan could be the main character. They find the fallen star and it gives them a new purpose in life. They then become a sort of chosen one to protect the star and its secrets.
The main characters in Star Wars Fallen Order story include Cal Kestis, a Jedi Padawan. Cere Junda, a former Jedi Knight who helps Cal. Greez Dritus, the pilot of the Mantis ship. And there are the Inquisitors, who are antagonists hunting down Cal and other remaining Jedi. BD - 1, Cal's droid companion is also a key character.
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.
The Outlander is one of the main characters. Also, there are characters within the Eternal Empire like Arcann and Vaylin who play significant roles.
There could be mortals in the story as well. They might play important roles, perhaps as the ones who witness the fall of the god. They could be the ones who help the fallen god in its journey of redemption or they could be the ones who are affected by the god's fall and are trying to deal with the consequences. Maybe there are some other supernatural beings like angels or demons that are involved in the plot.
I'm not sure specifically as it depends on the novel. But it could be the fallen angels themselves. There might be a lead fallen angel who drives the story forward.
I'm not sure specifically as I haven't read this particular 'fallen angels novel'. But generally, there could be the fallen angels themselves as main characters. They would likely have complex personalities, torn between their former angelic selves and their new, fallen states.
Since I don't know the exact 'fallen god novel', it's hard to say. But it could have the fallen god as a main character, of course. There might also be characters who either help or hinder the fallen god, like a mortal who befriends the god or another divine being who was involved in the god's fall.