waverer
US /ˈweɪvərər/
UK /ˈweɪvərər/

1.
hesitante, indeciso
a person who is unable to decide between two opinions or courses of action; an irresolute person.
:
•
He was a waverer, always changing his mind about which political party to support.
Ele era um hesitante, sempre mudando de ideia sobre qual partido político apoiar.
•
The committee was full of waverers, making it difficult to reach a consensus.
O comitê estava cheio de hesitantes, dificultando o alcance de um consenso.