IPA: /ˈkʌpˌbɛərər/
KK: /ˈkʌpˌbɛrər/
A person who serves drinks, especially wine, in a royal or formal setting.
The cupbearer presented the king with a beautifully crafted goblet of wine.
Cupbearer → It is formed from "cup" (from Old English "cuppe", meaning a drinking vessel) and "bearer" (from Old English "beran", meaning to carry). A cupbearer is someone who carries or serves drinks, particularly in a royal or formal setting.
Think of someone who 'carries' ('bearer') a 'drinking vessel' ('cup') to serve drinks — that's what a cupbearer does.