hijacker
hi·jac·ker
noun
2.
someone who uses force to take over a vehicle (especially an airplane) in order to reach an alternative destination
Origin
From hijack + -er.
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.