What's in aid of?

What's something in aid of?

(British & Australian informal)

something that you say when you want to know why someone has done something I heard the shouting from the other side of the building. What was that in aid of? A present! What's this in aid of?

Common Names:

Name	Pronounced	Usage
Pisti	-	Hungarian
Annelie	AH-ne-lee (German)	German, Swedish, Norwegian, Danish
Stacee	STAY-see	English (Rare)
Zoie	ZO-ee	English (Modern)
Pritha	-	Hinduism, Bengali
Ken	[ken]