à son service

at his/her service; in his/her employ

→ à
phrase Rare #41,604
at his/her service; in his/her employ Depending on context, it can mean being ready to help someone or working for them.
FR: Je suis à son service.
EN: I am at his service.

Il n'a qu'un seul serviteur à son service.

He has only one servant in his employ.

Il a une bonne à son service.

He has a maid at his service.

Et c'est toute la fortune que j'ai gagnée à son service.

And that is the whole fortune I earned in his service.

— Henry V (1989)

Je suis à son service.

I am at his service.

— Gangs of Wasseypur : 1ère partie (2012)

Vous n'êtes pas à son service.

You don't work for him.

— Le Cercle des poètes disparus (1989)

À son service.

At your service.

— Cléo from 5 to 7 (1962)

Il avait trois domestiques à son service.

He had three servants in his service.