proposer

noun
UK /prəˈpəʊzə/
US /prəˈpoʊzər/

A proposer is a person who suggests an idea or plan.

The proposer of the school picnic idea was Mia.


OTHER MEANINGS

2. A person who formally puts forward a motion for a vote.

The proposer of the motion spoke first at the meeting.

3. A person who asks someone to marry them.

He was the proposer, and she happily said yes.

4. A person who nominates someone for a position or honor.

The proposer recommended her colleague for the award.