Merriam-Webster , describes a coach as, "one who instructs or trains an acting coach a birth coach; especially : one who instructs players in the fundamentals of a sport and directs team strategy." There are two parts to this definition, one is a teacher, and one is a director. That is, one educates, and one commands. These different roles change depending on the environment, and are manifested mostly in competition. In fact, I think all coaches operate along a continuum with 'teacher' at one end and 'competitor' at the other. Some coaches clearly focus more on teaching, some more on competing. There is nothing wrong with a coach being at any point on this continuum. The problem exists when the coach is at a point that their athletes are not. The easiest example is where the result of a match in a junior competition is more important to the coach than the players. You can see this as it is happening. And you can imagine that coach berating the childr