The word "combater" means to fight or engage in combat. There are several synonyms for this word that can be used interchangeably. Some of these synonyms include warrior, soldier, fighter, assailant, opponent, rival, and adversary. Each of these words implies a strong and often intense confrontation or engagement in battle. A warrior connotes courage and bravery, while a soldier may imply service to one's country or cause. Fighters, assailants, opponents, rivals, and adversaries all suggest a level of hostility or antagonism towards a specific individual or group. Overall, these synonyms highlight the various aspects and nuances of what it means to combat or engage in battle.