fox in the henhouse

Someone with bad intentions. (A fox would prey upon hens in a henhouse.) I'd watch out for him if I were you—he walks around here like a fox in the henhouse.

Common Names:

Name	Pronounced	Usage
Macarena	mah-kah-RE-nah	Spanish
Madalyn	MAD-ə-lin	English
Leonora	-	Italian
Trees	TRAY:S (Dutch)	Dutch, Limburgish
Gwandoya	-	Eastern African, Ganda
AljoŠA	-	Slovene, Croatian