As the teaching progresses, they could develop a sort of mentor - mentee relationship. Harry would be constantly trying to steer Tom away from the Dark Arts, while Tom would be trying to learn as much as he can from Harry. However, there would always be an underlying tension because of Tom's future as Voldemort. Their relationship might be a complex dance of trust and suspicion.
Their relationship could start off with Tom being dismissive of Harry. After all, he thinks he already knows a lot about magic. But when Harry starts demonstrating unique DADA techniques and knowledge, Tom becomes more interested. This new - found interest could lead to a friendship of sorts. But as time goes on and Tom's dark desires resurface, their relationship would be put to the test and might ultimately end in conflict as Harry tries to prevent Tom from fully embracing the Dark Arts.
Maybe Harry would teach Tom about the consequences of dark magic. Since Harry has faced Voldemort multiple times and seen the destruction caused by dark spells. He could use these real - life (well, in the wizarding world) examples to make Tom understand that there are other paths in magic that are more positive and life - affirming.
As the story progresses, their relationship could become more complex. Harry might become a father figure to Tom, teaching him right from wrong. Tom, on the other hand, could start to see Harry as someone he can rely on, but also struggle with his own inner demons that might pull him away from Harry's influence.
A lot could occur. Harry might try to instill in Tom the importance of forgiveness. Given that Harry has forgiven many of his enemies, he could explain to Tom that holding grudges and seeking revenge only leads to more pain and destruction. For example, when he forgave Snape in the end.
One possible plot could be that Harry, using his knowledge of love and friendship, tries to teach Tom about the power of positive emotions. He might show Tom how his own journey was shaped by the love of his friends and family, in contrast to Tom's more solitary and power - hungry path. Maybe Harry takes Tom to Hogwarts in a time - travel like scenario and shows him the true meaning of the houses, not just the pursuit of power within Slytherin.
At first, it might be a relationship full of suspicion. Tom is a complex character, and he may not trust Fem Harry's motives easily. But as time passes, if Fem Harry shows him consistent love and care, he might start to open up. He could begin to rely on her for emotional support and guidance.
Well, it could be that Harry's hands - on experiences from his own time at Hogwarts make his teaching really engaging. He might share his encounters with dark creatures and how he overcame them. This could make Tom more aware of the practical side of DADA.
At first, it might be rocky. Tom would be suspicious of Harry's intentions. But as Harry shows him genuine care, Tom would start to open up. Eventually, they could become like family, with Tom looking up to Harry as a role model.
At first, it would probably be very difficult. Tom is a complex character with a lot of pride. Harry, on the other hand, has a deep - seated hatred for Voldemort. But as Harry gets to know the young Tom, he might start to see him as a lost child. Their relationship could slowly shift from one of suspicion to a more paternal - like bond as Harry tries to mentor Tom.
Harry would be really interesting. He has to step into the role of a teacher, which is quite different from his usual role as a student or a hero. He has to figure out how to communicate with Tom, who is essentially the most evil wizard in history. Harry's own experiences with Voldemort give him a unique perspective, and seeing how he uses that to try and teach Tom would be fascinating.
One possible plotline could be that Harry, with his knowledge of the Dark Arts from his own experiences, tries to show Tom the true nature of defensive magic. He might start by teaching basic spells like the Shield Charm. Harry could also share his insights on how to resist the allure of the Dark Arts, which is something Tom struggles with in his later years as Voldemort.