double-crosser

n. a person who betrays someone. (Often with dirty. See comments at double cross.) You dirty, lowdown double-crosser, you!

Name	Pronounced	Usage
Lulu (2)	-	Arabic
Mihalis	-	Greek
Mona (2)	-	Swedish, Norwegian, Danish
Jarlath	JAHR-lath	Irish
Mikhah	-	Biblical Hebrew
Rona (2)	-	Hebrew