canvasser
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/ˈkænvəsər/
🇬🇧
/ˈkænvəsə(r)/
A person who goes around asking people to support a politician or party.
The canvasser knocked on doors to gather votes for the upcoming election.
A person who tries to convince others to buy something or use a service.
The canvasser was going door to door, trying to sell magazine subscriptions.