a rough diamond

(British & Australian) also a diamond in the rough (American & Australian)

a person who does not seem very polite or well educated at first, although they have a good character Mitchell may have been a rough diamond, but he was absolutely loyal to his employer.

Common Names:

Name	Pronounced	Usage
Alexandrina	al-əg-zan-DREE-nə (English)	Portuguese, English (Rare)
Jozefa	YO-ze-faw (Hungarian)	Hungarian, Slovene
JÉRÉMie	-	French
Fito	-	Spanish
Nayeli	-	Native American, Zapotec
JarosŁAw	yah-RAW-swahf	Polish