someone who fights (or is fighting)
characteristic of an enemy or one eager to fight; "aggressive acts against another country"; "a belligerent tone"
engaged in war; "belligerent (or warring) nations"; "a fighting war"
Inclined or eager to fight; hostile or aggressive.
group or nation which is engaged in a war or military conflict
In wartime, a nation at war.
A belligerent is an individual, group, country or other entity which acts in an aggressive or hostile manner, such as engaging in combat.