As a noun:
* "The coach gave a rousing speech before the game." (Refers to the person in charge of a sports team.)
* "The life coach helped her identify her goals." (Refers to a person who provides guidance and support for personal growth.)
* "The bus coach was filled with tired travelers." (Refers to the seating area on a bus.)
As a verb:
* "I'm coaching my son's soccer team this season." (Means to train or instruct someone, especially in sports.)
* "She coached her daughter through her first public speaking presentation." (Means to give guidance and support to someone.)
* "The trainer coached the athlete on proper form." (Means to provide specific instruction on how to do something.)
Let me know if you'd like to see some more examples, or if you have a particular situation in mind!