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
Eilert	AY-lert (Swedish)	Frisian, Swedish, Norwegian, Danish
Lau	LOW	Dutch, Limburgish
Balbus	-	Ancient Roman
Fletcher	['fletʃə]
RoibeÁRd	-	Irish
Shirou	shee-ṙo:	Japanese