patsy

name

1. A diminutive of the female given name Patricia.
2. A diminutive of the male given name Patrick.
3. A diminutive of the female given name Martha.

noun

1. (derogatory, informal)A person who is taken advantage of, especially by being cheated or blamed for something.

   “And now it's quite obvious that instead of Mr Rumsfeld and Mr. Cheney listening attentively to Mr Blair's sage advice, they've simply been using him as a patsy—a convenient fig-leaf.”