1. a person who gives money, time, or effort to help achieve or provide something
2. a person who writes articles or other material for a publication
3. a factor that helps to bring about a particular result or situation

Examples

• She was a major contributor to the charity fundraiser.
• The magazine relies on freelance contributors for most of its content.
• He is a regular contributor to the local newspaper.
• Stress is a significant contributor to heart disease.
• All contributors to the project will be acknowledged in the credits.
• The company's largest contributor donated over a million dollars.
• Poor diet is a contributing factor to obesity.