agreer
/əˈɡriːr/ or /əˈɡriːr/ (UK) or /əˈɡriːr/ (US)
Definitions
1. noun
A person who agrees with or supports another person’s opinions or ideas
“She’s a strong agreer to the new policy and will be leading the implementation team.”
2. verb
To agree or consent to something
“He’s agreed to meet at 5 o’clock, but I think he’s just agreering to be polite.”