What are three of the difficulties that Farquhar seems to overcome while he is in the stream?

In the stream, Farquhar faces the overwhelming challenge of the strong current, which threatens to pull him under and drown him. He also grApples with the pain of his injuries, including the bullet wound, which hampers his ability to swim and escape. Additionally, he battles panic and fear as he realizes the danger of being pursued by soldiers, forcing him to remain focused on survival while navigating the chaotic environment around him.