from him/her
J'ai un message pour toi de sa part.
I have a message for you from him/her.
C'est un cadeau de Noël de sa part.
It’s a Christmas present from him/her.
It was despicable of him.
Il t'a promis la moitié de sa part ?
Did he promise you half of his share?
Ce n'est pas chic de sa part s'il est encore chez Veronika.
It’s not very nice of him if he’s still at Veronika’s.
— Quand passent les cigognes (1957)
C'est typique de sa part de faire ce genre de chose.
That's typical of him/her, doing that kind of thing.
C'était gentil de sa part de me montrer le chemin pour me rendre à la gare.
It was kind of him/her to show me the way to the station.