headhunter  
noun [ C ] uk/ˈhedˌhʌn.tər/ us/ˈhedˌhʌn.t̬ɚ/
  (JOB)     
  猎头,物色人才的人
a person who tries to persuade someone to leave their job by offering that person another job with more pay and a higher position
   (FIGHTER)     
 割取敌人头颅作为战利品的部落成员
a member of a group of people that keeps the heads of the enemies that it has killed