The 'bound man story' could potentially be about a man who is bound by certain circumstances. Maybe he is bound by his past actions, a social situation, or a set of rules. It could explore how he tries to break free from whatever is binding him, or how he copes with being in that bound state. For example, if he is bound by a social stigma, the story could show his journey to overcome the discrimination associated with it.
Since I don't know the specific 'bound man story', I can't say for sure who the main character is. But as it's called 'the bound man story', it's likely that the bound man is the main character.
One possible main theme could be the struggle for freedom. Since the man is bound, his attempts to break free or come to terms with his restricted state might be central to the story.
Well, most likely it's the bound man himself. Since the story is named after him, he is probably the central focus. He is the one whose experiences and actions will drive the plot forward.
One possible theme is survival. The bound man has to figure out how to survive in his bound state. This could involve dealing with basic needs like food and water if he is physically restrained. It might also be about his psychological survival, how he keeps his sanity while being in such a difficult situation.
One main theme could be the struggle for freedom as the 'bound man' in the title might suggest some form of confinement. Another could be human relationships, as stories often explore how characters interact with one another.
The bound man is surely a central character. There may be other characters related to him, perhaps those who keep him bound or those who try to free him. There could also be characters that are part of the other stories in the collection, but we need more information from the text to name them specifically.
Well, 'contractually bound fanfic' is a term used when fanfiction is restricted or regulated by a contract. For example, in some cases, a large media company might allow fanfic to exist but with specific rules. They could require the fanfic writer to not use certain characters in a negative way or limit the number of copies that can be made. It's a way to manage the relationship between the fans creating content and the owners of the original work.