"적" (Enemy) refers to an individual or group that opposes or is hostile towards another. In various contexts, such as warfare or competition, an enemy can represent a threat to one's safety, goals, or values. The concept of an enemy is often explored in literature, history, and psychology, highlighting the dynamics of conflict and rivalry. In many cultures, the idea of an enemy is tied to notions of good versus evil, where heroes confront their adversaries. Understanding the nature of an enemy can help in conflict resolution and promote peace. The term can also be used metaphorically to describe internal struggles or challenges faced by individuals.