'Kidnapper' definitions:

Definition of 'kidnapper'

From: WordNet
noun
Someone who unlawfully seizes and detains a victim (usually for ransom) [syn: kidnapper, kidnaper, abductor, snatcher]

Definition of 'Kidnapper'

From: GCIDE
  • Kidnaper \Kid"nap`er\ (k[i^]d"n[a^]p`[~e]r), or Kidnapper \Kid"nap`per\, n. One who steals or forcibly carries away a human being; a manstealer. [1913 Webster]