First, you need to really understand the character of Jamie Fraser. Read the original books or watch the show to get a good sense of his personality, values, and his backstory. Then, when creating your OC, make sure they have their own unique traits and backstory that can complement or contrast with Jamie's. For example, if Jamie is brave and strong - willed, your OC could be more diplomatic and level - headed.
Their relationship might develop gradually as they get to know each other. At first, there could be some hesitation and wariness, but as they spend more time together, they start to trust each other.
One popular Jamie Fraser OC fanfiction might be those that explore an alternate timeline where the OC meets Jamie in a different setting. For example, there could be a story where the OC is a time - traveler and ends up in the era where Jamie lives. This allows for a unique exploration of their relationship and the historical context.
One common theme is the exploration of their complex relationship. Given their different backgrounds and loyalties, there's often a lot of tension. For example, in many fanfictions, Jamie is a Highland rebel and John Grey is an English officer, so their political differences add depth to their interactions. Another theme is loyalty. Both characters are highly loyal in their own ways, and fanfictions often play with how their loyalties clash or align. Love, in various forms, is also a theme. It could be friendship, admiration, or something more complex like unrequited love.
You can find Jamie Fraser fan fiction on various fan - fiction websites. Archive of Our Own (AO3) is a great place to start. It has a large collection of fan - created works, and you can easily search for Jamie Fraser - related stories using the search function.
One popular Jamie Fraser fan fiction might be those that explore his life before the main events of the series. For example, stories about his youth in Scotland, his training, and how he developed his strong sense of honor.
Writers often portray Jamie's reaction to modern technology in a very human way. He may initially be afraid of things like elevators, thinking they are some sort of trap. But as he gets used to them, he starts to see the convenience. With computers, he could be initially baffled by the screen full of strange symbols and pictures. However, his inquisitive nature takes over, and he begins to learn about it, maybe with Claire or some new friends helping him. This journey of discovery of modern technology is often a big part of how he is written in these fanfictions.
One possible fanfiction could be about the challenges they face while expecting. For example, in a Highland setting, Claire might struggle with the lack of modern medical facilities. Jamie would be overly protective, and there could be a lot of sweet moments between them as they anticipate the arrival of their child.