Sinonim bellwether

English Thesaurus

1. sheep that leads the herd often wearing a bell (noun.animal)

hypernym	:	wether,
definition	:	male sheep especially a castrated one (noun.animal)

2. someone who assumes leadership of a movement or activity (noun.person)

hypernym	:	leader,
definition	:	a person who rules or guides or inspires others (noun.person)