a person paid to work in another person's home, doing jobs such as cleaning, cooking, or caring for children
The family had a live-in servant.
She worked as a servant in a large house.
For restaurant staff, American English usually uses server, not servant. Servant can sound old-fashioned when it means a household worker.
Common phrases & grammar
domestic servant · live-in servant
work as a servant
a servant in + a large house