Dupe /(dūp)/

Dupe

n.
  1. One who has been deceived or who is easily deceived; a gull; as, the dupe of a schemer.

Dupe

v. t.

imp. & p. p. Duped; p. pr. & vb. n. Duping

  1. To deceive; to trick; to mislead by imposing on one's credulity; to gull; as, dupe one by flattery.
    Ne'er have I duped him with base counterfeits.