turn (one's) coat

dated To change one's allegiance or affiliation (especially in politics) for personal gain or advantage. A good politician will espouse the most hard-line stance of his party's political ideologies, but a successful politician knows when to turn his coat.

Common Names:

Name	Pronounced	Usage
Wigberht	-	Anglo-Saxon, Ancient Germanic
Thomasina	[.tɔmə'si:nə]
Peretz	-	Hebrew, Biblical Hebrew
Diocles	-	Ancient Greek (Latinized)
Archdale	['a:tʃdeil]
Tadej	-	Slovene