Coaching is the art of providing education, training, guidance, support, or assistance to a group or individual. The leader or teacher, called the coach, usually possesses special training in the field at hand or has fine-tuned their skills in the field with experience. Coaches are generally thought of to be the leaders of their field. http://wordnetweb.princeton.edu/perl/webwn?s=coach

There are coaches for almost anything imaginable in life, and one can obtain a coach for any of these things, though some types of coaches are easier to find than others. http://www.coachfederation.org/find-a-coach/what-is-coaching/ Sports coaches are some of the more common variety, and typically what is thought of when the word “coach” is heard. Sports coaches are used for team sports. They help players learn their positions, work together, fine turn their skills, learn proper movement, and learn proper etiquette while in the game. The often attend games in order to provide real-time assistance to players. Coaches of many small, local sports teams may also act as the organizer, accountant, and play many other roles in the organization of the team. There are also coaches for independent sports. At a high end, such as with Olympic and professional athletes, coaches will have very few individuals for which they are responsible, and will devote a large amount of time to each one. At the lower end, such as independent sports in high-school or at local clubs, individuals may be arranged in to groups or provided training in short, regular sections to facilitate a lower cost and higher number of students. http://wordnetweb.princeton.edu/perl/webwn?s=coach

Other types of coaches include life coaches, marriage coaches, business coaches, or social coaches, all with the responsibility to teach their students and provide guidance and support where it is due. http://www.coachfederation.org/find-a-coach/what-is-coaching/