fundraiser
Pronunciation:
/ˈfʌnd.ɹeɪ.zə//ˈfʌnd.ɹeɪ.zɚ/noun
Definitions
An event undertaken to get money by voluntary contributions for a particular activity, such as equipment for extracurricular sports programs, or to defray laboratory costs (salaries) for research of a cure for a particular disease.
Example: This year's fundraiser will be a walkathon.
An individual who collects money from the public for some charitable cause.