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
Fausto	-	Italian, Spanish, Portuguese
Caterina	-	Italian, Catalan
Demeter (1)	di-MEET-ər (English)	Greek Mythology
Yakov	YAH-kahf (Russian)	Hebrew, Russian, Bulgarian
Rufus	ROO-fəs (English)	Ancient Roman, English, Biblical
IsibÉAl	-	Irish