enemy combatant
person who, either lawfully or unlawfully, directly engages in hostilities for an enemy state or non-state actor
en-US/ˈɛnəmi kəmˈbætənt/
en-GB/ɛnəmiː ˈkɒmbətənt/
person who, either lawfully or unlawfully, directly engages in hostilities for an enemy state or non-state actor