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
Boyce	[bɔis]
Deodatus	-	Late Roman
GintarĖ	-	Lithuanian
Malcolm	['mælkəm]
Jared	JER-əd (English), JAR-əd (English)	English, Biblical
Anstice	['ænstis]