Most likely the two brothers are the main characters. But without reading the story in detail, it's hard to say if there are other important characters who play a significant role in their relationship.
The main theme could be responsibility. In the story, one brother might have to take care of the other, showing how family members are responsible for each other.
The short story 'My Brother's Keeper' typically starts in a peaceful neighborhood, introducing the main characters and setting the stage for the unfolding drama.
It's difficult to determine exactly where 'My Brother's Keeper' begins. It could start in a workplace, a park, or any place that sets the stage for the story. Without reading it, we can only make educated guesses.
One inspiring story is of brothers who were orphaned at a young age. The eldest brother took on the role of a parent for his younger siblings. He worked multiple jobs to ensure they all got an education. He motivated them, helped with their homework, and instilled good values in them. All the younger brothers grew up to be successful in different fields, like engineering, medicine, and teaching. This shows the power of one brother's determination and love in shaping the lives of others.
Since I haven't read'my brother's keeper fiction book', it's hard to say for sure. However, based on the title, it could potentially revolve around the relationship between brothers, perhaps themes of sacrifice, protection, or the moral obligation one has towards a sibling.