The term 'Gym Coach' can refer to two different job titles. The first is 'TRAINER', which is a 7 letter word. A TRAINER is someone who provides instruction and guidance to athletes or people who are trying to improve their physical fitness. The second is 'Personal TRAINER', which is a 15 letter word. A Personal TRAINER is someone who works one-on-one with clients to help them reach their fitness goals. They provide personalized instruction and guidance to help their clients achieve their desired results.