I'm not sure specifically as I haven't read the novel. But usually in such a story, there might be a protagonist who is a symbol of hope or resistance in the 'burning world'.
I don't know as I haven't read the novel. But they could be survivors in the burning world, like a brave young man or woman.
The main theme could be about survival. In many novels, when the world is 'burning' either literally or metaphorically, characters often have to fight for their survival against various challenges.
Without more information about the 'burning desire novel', it's hard to name the main characters. However, in a general sense, it might have a lead character who is driven by their burning desire, and there could be secondary characters who either support or oppose the main character's pursuit of their desire. For instance, there could be a mentor figure who guides the main character, or a rival who tries to thwart their plans.
Well, in many novels, there is often an antagonist who might be trying to use the burning secret against the protagonist. So in this 'burning secret novel', there could be such a character. And of course, there may be side characters who add depth to the story, such as neighbors or colleagues who might get caught up in the web of the secret as the story unfolds.
One popular character could be the fearless warrior. This character is often strong and brave, leading the fight against the disasters in the burning world.
Since I haven't read the novel, I can't tell you exactly who the main characters are.
I'm not sure who the exact main characters are without having read it. But they could be ordinary people living in Baghdad, like a local family trying to survive the chaos.
I'm not sure specifically as I haven't read the novel, but generally, there could be a protagonist who might be the one instigating or affected by the 'burning down the house' situation. Maybe it's a character who is disillusioned with their current life and takes this extreme action.
Love could also be a main theme. Despite the world being on fire, so to speak, the story may show that love can transcend boundaries. In 'Warm Bodies', the relationship that develops between different species (zombie and human) is a form of love that might be a key aspect of what the 'Burning World' in the novel represents.
In the 'barn burning story', the father is a central character. He is a symbol of the frustrated poor. His actions of barn burning are a reaction to the inequality he feels. The son is another main character. He witnesses his father's actions and is constantly in a state of internal conflict. He is influenced by his father's actions but also has his own sense of morality which makes him question what his father does. This internal conflict within the son is a major part of the story.