Final answer:
In George Orwell's '1984', the character Julia wears a sash of the Junior Anti-Sex League and is the one initially feared and hated by the protagonist, Winston.
Step-by-step explanation:
The character who wears a sash of the Junior Anti-Sex League and is initially hated and feared by Winston in George Orwell's dystopian novel '1984' is Julia.
Winston's complex feelings towards Julia stem from the oppressive regime's successful manipulation of sexual expression, making the Junior Anti-Sex League a symbol of the Party's control over intimacy and personal connections.
As the story progresses, Winston's feelings towards Julia undergo a significant transformation, central to the themes explored in the novel.