a bad apple

A person who negatively impacts an entire group of people through his or her words or actions. Taken from the proverb "a bad apple spoils the bunch." Jeremy is really a bad apple. After five minutes with my usually well-behaved kids, they're all acting out.

a bad/rotten apple

one bad person in a group of people who are good You'll find the occasional rotten apple in every organization.

Common Names:

Name	Pronounced	Usage
Seymour	SEE-mawr	English
Suharto	soo-HAHR-to	Indonesian, Javanese
QuyỀN	-	Vietnamese
Crispin	KRIS-pin	English (Rare)
Noboru	no-bo-ṙoo	Japanese
Lucina	loo-SEEN-ə (English)	Roman Mythology