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
Henrike	hen-REE-kə (German)	German, Swedish, Norwegian, Danish
EstiÑNe	-	Basque
Mellan	MEL-an	Irish
Aryan	-	Indian, Hindi
Leokadia	le-aw-KAHD-yah	Polish
Silvius	-	Late Roman, Roman Mythology