a guinea pig

if someone is used as a guinea pig, new ideas or products are tested on them They're looking for volunteers to act as guinea pigs for a new AIDS vaccine.

Common Names:

Name	Pronounced	Usage
PerpÉTua	-	Portuguese
Inez	['i:nez]
Erskine	UR-skien	Scottish, Irish, English (Rare)
Osher	-	Hebrew
Nika (2)	-	Slovene, Croatian
Emlyn	-	Welsh