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
Atto	['ætəu]
Goraidh	-	Scottish
Olimpia	aw-LEEM-pyah (Polish)	Italian, Spanish, Romanian, Polish, Hungarian
Kerttu	KERT-too	Finnish
Ciardha	-	Irish
Nicola (1)	nee-KO-lah	Italian