Well, in such a fanfiction, Harry might end up in a different house than Gryffindor. He could be resorted into Slytherin, which would completely change his relationships. For example, his friendship with Ron and Hermione might be strained as they are in Gryffindor. And he'd have to deal with the Slytherin stereotype and make new friends among them.
In fanfiction where Harry gets resorted to Hufflepuff, it would be an interesting twist. Firstly, the Hufflepuff common room is near the kitchens, so Harry would be closer to the food source which could lead to some fun scenarios. Secondly, the Hufflepuff house is not as flashy as Gryffindor. So Harry would have to adapt to a more low - key environment. He might start to value the quieter, less noticed acts of heroism. And his relationship with Cedric Diggory could be different. Since they are in the same house, they could be closer friends or rivals in a different way than in the original story.
In fanfiction where Harry is resorted into Slytherin, he might face a whole new set of challenges. He could be ostracized by his Gryffindor friends at first. However, he might also find some unexpected allies in Slytherin. For example, he could befriend some of the more open - minded Slytherins who see his potential and value his skills. This new sorting could also lead to a different dynamic with Draco Malfoy. Instead of being rivals, they might become begrudging comrades or at least have a more complex relationship.
Obviously, Harry himself is a main character. He's the one going through the resorted situation. Dumbledore could also be a significant character as he might have some role in the resorting process or in guiding Harry afterwards.
One possible plotline could be Harry being resorted into a different house and falling in love with a character from that new house. For example, if he gets resorted into Hufflepuff, he might start a romance with a kind - hearted Hufflepuff girl who helps him see the house in a new light.
If Harry gets resorted into Ravenclaw, Luna Lovegood could be a great love interest. They already have a certain connection in the original series, and in this new scenario where Harry is in her house, their relationship could develop into a romantic one. Luna's unique perspective on life could attract Harry even more.
His story would change a great deal. He might not be as much of the center of attention as he was in Gryffindor. In Hufflepuff, he'd have to work harder to stand out in a different way. Instead of being known for his bravery in the face of danger all the time, he could be recognized for his loyalty and fair play. His enemies might also underestimate him more since Hufflepuff doesn't have the same 'daring' reputation as Gryffindor.
Harry's character would experience a significant shift. In Slytherin, he'd be surrounded by students who are often more politically astute. This would cause him to grow in that regard. He might learn to use his words more carefully and be more strategic in his relationships. His moral compass would still be there, but it might be tested more frequently as he tries to fit into a house known for its more self - serving tendencies. He could end up becoming a bridge between the two houses, Gryffindor and Slytherin, with a character that combines the best of both worlds.
Well, it changes the story in many ways. For one, Hermione's presence in Slytherin would cause a stir among the Slytherins themselves. She's known for her intelligence and strong - willed nature, which could either be seen as a threat or an opportunity for them. In the original story, Slytherin is often portrayed as the 'evil' house, but with Hermione there, she might start to change the perception of Slytherin from within. She could also form unexpected alliances with some of the Slytherins who are perhaps not as fully on board with the more negative aspects of the house's reputation. This would completely shift the dynamics between the houses, as Gryffindor would lose one of its most prominent members and Slytherin would gain a very different kind of student than they're used to.
Well, he might become more of a team - player. Hufflepuff values loyalty and hard work. Harry, being in Hufflepuff, could form different friendships. He'd probably befriend some of the more underrated characters in the Hufflepuff house. He could also bring his own sense of courage to the Hufflepuff house, and might be seen as a bit of an oddity at first but then be fully embraced as he shows his Hufflepuff qualities like fairness and dedication.