canvasser
noun /ˈkænvəsə(r)/
/ˈkænvəsər/
- a person who asks people to support a particular politician or party, either by going around an area or by phone
- Democratic/Republican canvassers
- a person who tries to persuade people to buy something, use a service, etc., either by going around an area or by phone
- He works as a canvasser for a double glazing firm.