Keiji is a traditional Japanese term that refers to a type of warrior or samurai, often associated with the Edo period. These individuals were skilled in martial arts and served as protectors of their lords, adhering to the Bushido code, which emphasized honor, loyalty, and discipline. In modern contexts, "Keiji" can also refer to a character archetype in various forms of media, including anime and manga. These characters often embody traits of bravery and skill, reflecting the historical significance of samurai in Japanese culture and storytelling.