"空手家" (karateka) refers to a practitioner of 空手 (karate), a martial art that originated in Okinawa, Japan. Karate emphasizes striking techniques, including punches, kicks, knee strikes, and elbow strikes. It also incorporates defensive maneuvers and forms known as 型 (kata), which are pre-arranged sequences of movements. Karateka train to improve their physical fitness, discipline, and self-defense skills. They often participate in competitions, showcasing their abilities in both sparring and kata. The practice of karate promotes mental focus and respect for others, making it not just a physical activity but also a way to develop character and self-control.