carjacker

From carjack + -er.

carjacker (plural carjackers)

1. One who engages in carjacking; one who steals an occupied automobile.
   • 1993, Road & Rec, volume 5, number 3, page 15:

     The typical carjacker is most interested in an easy heist.

   • 2002, Holly Keegel, Janee Harteau, A Woman's Guide to Personal Safety‎^[1]:

     Note the direction in which the carjacker drove. Give officers a detailed description of the carjacker, including the type of weapon, if one was used.