Frequency: The word is one of the 1500 most common words in English.
A ~ is a person who is responsible for running part of or the whole of a business organization.
The chef, staff and ~s are all Chinese.
...a retired bank ~.
The ~ of a pop star or other entertainer is the person who looks after their business interests.
The ~ of a sports team is the person responsible for training the players and organizing the way they play. In American English, ~ is only used for baseball; in other sports, coach is used instead.