proposer
US /prəˈpoʊ.zɚ/
UK /prəˈpoʊ.zɚ/

1.
proponente, autor da proposta
a person who puts forward a proposal or proposition.
:
•
The proposer of the new policy explained its benefits.
O proponente da nova política explicou seus benefícios.
•
Each proposer was given five minutes to present their idea.
Cada proponente teve cinco minutos para apresentar sua ideia.