And whosoever of you will be the chiefest, shall be servant of all... Mark 10:44 Taekwondo has already settled in this land for half a century. As Taekwondo has become globalized, there have been many changes. Even now, it is divided into traditional Taekwondo and sports Taekwondo. But there is a fast-changing trend in Taekwondo practitioners, such as age and training time. However, the passion for mental culture and personal education, which is the basis of Taekwondo in Kor