I could endure it all, ill-usage, solitude, a life of deception, everything, as long as I could still cling to the hope that I had his love, but now I know that in this also I have been his dupe and his tool.
There are no more uses of "dupe" in the book.
Show samples from other sources
The immigrant was duped because he trusted everyone
She is innocent. She was duped like the rest of us.