The man works with dragons!
I mean, come on, that is one of the absolute coolest jobs (you know, besides the fire the dragon spits at you) that someone can have. It’s like the wizarding world’s version of the Targaryens. We always hear so much about the Weasleys, from the beginning of Harry Potter and the Sorcerer’s Stone, all the way up to Harry Potter and the Deathly Hallows. We know about the Burrow, the family, the hijinks of the two twins, so much, but we don’t hear that much about the eldest Weasley’s.
However, we’ve heard more about Bill (considering he married Fleur Delacour from Harry Potter and the Goblet of Fire in the last book) than Charlie. There could have been so many deep dives into who he is as a character, how he came into this line of work, how he actually works with the dragons. That would have been amazing to see!