IPA: //ˈbɑːrˌkiːpər//
KK: /ˈbɑrkˌkipər/
A person who serves drinks at a bar, usually alcoholic beverages, and may also manage the bar.
The barkeeper mixed a special cocktail for the guests.
Barkeeper → It is formed from "bar" (from Old French *barre*, meaning a barrier or counter) and "keeper" (from Old English *cepan*, meaning to keep or guard). A barkeeper is someone who keeps or manages the bar, serving drinks to customers.
Think of a 'bar' as a counter where drinks are served, and 'keeper' means someone who manages it. This helps you remember that a barkeeper is the person who manages the bar.