The main theme might be about finding true happiness. It could explore how a person, despite hardships or a difficult life, can still be the happiest. Maybe it shows that happiness doesn't come from material things but from within, like having a positive outlook or strong relationships.
I'm not sure exactly who the character is without more details about the specific story. There could be many interpretations of who the 'happiest man in the world' might be in different stories.
I'm not sure as I haven't read the specific story. But generally, in such a story, the happiest man could be someone who has achieved his long - desired dreams, like finding true love or fulfilling a great ambition.
In the 'the happiest man in the world story', the man might be happy because he has a positive attitude towards life. He doesn't let the small problems or setbacks get him down. Instead, he focuses on the good in every situation. He is grateful for what he has, whether it's a small kindness from a stranger or a beautiful view outside his window. This positive mindset allows him to experience life as a series of wonderful moments, which in turn makes him the happiest man in the story.
Since I haven't read it, I can't say for sure. But it's probably a man who is described as the happiest, and the story likely revolves around his experiences and what makes him so happy.
I'm not sure specifically as I haven't read this exact story. But generally, it might be about a man who has achieved a great sense of happiness through certain events, relationships, or self - discovery in his life.