Final answer:
Winston Smith, the protagonist of George Orwell's novel '1984', mentions that he has not betrayed Julia as the one degradation he has not suffered, although this changes later in the book.
Step-by-step explanation:
The question relates to George Orwell's novel 1984, and it is asking about a particular aspect of the main character Winston Smith's experiences. In 1984, Winston says that the one degradation he has not experienced is betrayal, specifically, he has not betrayed Julia.
Despite all the physical and mental torture he endures, his confession to O'Brien and the Thought Police about his disloyalties did not involve betraying his love for Julia, which he sees asthe last shred of his humanity and integrity. However, this degradation is eventually experienced later in the narrative when he is subjected to his worst fear in Room 101.