cadre
noun uk/ˈkɑː.dər/ /ˈkɑː.drə/ us/ˈkɑːd.reɪ/
[ C, + sing/pl verb ]（军队、政治或商业组织的）骨干队伍，干部队伍
a small group of trained people who form the basic unit of a military, political, or business organization
[ C ]干部
a member of such a group