It could be Professor McGonagall. She is always looking out for Harry and has escorted him on various occasions in the original books. She is strict but fair, and if Harry is in some sort of situation where he needs guidance, she would be a likely candidate.
It might be that the teacher is simply escorting Harry to see the headmaster. There could be issues regarding Harry's grades or behavior that need to be addressed. However, knowing Harry's adventures, it could also be a lead - up to a much bigger mystery. Maybe the headmaster has a special mission for Harry and the escorting teacher is just the first step in that process.
The plot might revolve around Harry being in a dangerous situation, like being hunted by a new dark force. So, the 'capable' person escorts him to a hidden and safe place. For example, if the capable person is Hagrid, he could take Harry to the Forbidden Forest where he has some secret hideouts known only to him.
Another possibility is Sirius Black. He is brave and has a strong connection to Harry. Sirius is a skilled wizard, and his loyalty to Harry would make him a great candidate for escorting Harry. He would be willing to fight off any threats and use his experience as a member of the Order of the Phoenix to keep Harry safe.
Fan Xian had been taken to the dungeon because he had assassinated Cheng Jushu on the street to avenge Teng Zijing. Zhu Ge felt that Fan Xian's actions had messed up the plan and that he should not have killed Cheng Jushu. However, Fan Xian's senior brothers defended him, saying that he could solve this problem. In the end, Fan Xian was taken to the dungeon, but he was not worried because he believed he could handle this small matter.
Fan Xian had been taken to the dungeon because he had assassinated Cheng Jushu on the street to avenge Teng Zijing. Zhu Ge felt that Fan Xian's actions had messed up the plan and that he should not have killed Cheng Jushu. However, Fan Xian's senior brothers defended him, saying that he could solve this problem. In the end, Fan Xian was taken to the dungeon, but he was not worried because he believed he could solve this problem.
There may be such extremely non - canon and inappropriate fanfiction out there in the vastness of the internet, but it goes against the original nature and values of the Harry Potter series. J.K. Rowling's world has certain boundaries and this concept is far from what was intended in the original story.
I'm not sure if there is a specific 'Dudley Gets Harry mpreg fanfiction'. Fanfiction covers a vast range of ideas and pairings, but this one seems rather unusual. It might exist in the extremely diverse world of fan-created works, but it's not a common or widely - known type of fanfiction. You could try searching on specialized fanfiction websites to find out for sure.
Well, considering the diversity of fanfiction, it's possible. Fanfiction allows for a great deal of creative license. Writers can explore unusual relationships and scenarios. A plot like Harry getting pregnant by a basilisk would be a very odd and unexpected twist, but it could exist within the realm of fan - created stories. It might explore themes like magic gone wrong or some really strange magical consequences that lead to such an event.
It could be that she challenged the teacher's theory too forcefully. Hermione is known for her intelligence and eagerness to prove her point, which might not always sit well with some teachers. For example, if the teacher was presenting a more traditional view on a magical concept and Hermione had new, radical ideas based on her extensive reading, the teacher might take it as disrespect.