dupe
     n : a person who is tricked or swindled [syn: {victim}]
     v : fool or hoax; "The immigrant was duped because he trusted
         everyone"; "You can't fool me!" [syn: {gull}, {slang}, {befool},
          {cod}, {fool}, {put on}, {take in}, {put one over}, {put
         one across}]
Source: WordNet® 2.0