at someone's service

Ready to help someone, at someone's disposal, as in The tour guide said he was at our service for the rest of the afternoon. [Second half of 1600s]

Name	Pronounced	Usage
Ercole	ER-ko-le	Italian
Addyson	AD-i-sən	English (Modern)
Lina (2)	-	English, Italian, Swedish, Danish, Norwegian, Lithuanian, Croatian
Bab	[bæb]
Ji-Young	jee-yung	Korean
Calixtus	-	Late Roman