girl friday
[noun]
Synonyms: right-hand man, man Friday, right hand

[TahlilGaran] English Synonym Dictionary ▲

ˌgirl ˈFriday noun [countable] British English old-fashioned
[Date: 1900-2000; Origin: Based on Man Friday, a character in the book Robinson Crusoe (1719) who does jobs for the main character, Robinson Crusoe]
a girl or woman worker who does several different jobs in an office

[TahlilGaran] Dictionary of Contemporary English ▲

girl Friday
a person who does many different types of usually not very interesting work in an office.
The ad said, 'Person Friday required for general office duties'.

[TahlilGaran] English Idioms Dictionary ▲

girl friday
n. A very dependable and helpful female office worker; especially a secretary.
Miss Johnson is the manager's girl Friday.
There was an advertisement in the newspaper for a girl Friday.

[TahlilGaran] English Idioms Dictionary ▲