1. an event or activity organized to raise money for a particular cause or organization
2. a person whose job is to raise money for an organization or cause

Examples

• The school organized a bake sale fundraiser to buy new playground equipment.
• Our annual charity fundraiser raised over $10,000 for the local food bank.
• She works as a professional fundraiser for the Red Cross.
• The fundraiser will be held at the community center next Saturday.
• As the lead fundraiser, he contacted potential donors throughout the city.
• The silent auction was the most successful fundraiser of the year.
• They hired an experienced fundraiser to help with their capital campaign.