whistle-blower

n. someone who calls a halt to something; an informer; an enforcer; a stool (pigeon). I don’t know who the whistle-blower was, but a good time was really ruined.

Common Names:

Name	Pronounced	Usage
Dawud	-	Arabic
Clifford	['klifəd]
LorÁNd	-	Hungarian
Lange	['læŋə]
Rana (2)	-	Punjabi, Urdu, Bengali
Koloman	KO-lo-mahn (German)	German (Rare), Slovak