dupe

Từ điển American Heritage Dictionary 4th

dupe (do͞op, dyo͞op)n.
1. An easily deceived person.
2. A person who functions as the tool of another person or power.tr.v. duped, dup·ing, dupes
To deceive (an unwary person). See Synonyms at deceive. [French, from Old French, probably alteration of huppe, hoopoe (from the bird's stupid appearance). See hoopoe.] dup'a·bilʹi·ty n.dupʹa·ble adj.dupʹer n.