contributor
Definitions
A person or thing that gives something, such as money, time, or effort, to a common fund or cause.
A person who writes articles, stories, or other material for a publication or broadcast.
A factor that helps to cause or bring about a particular result.
Examples
She is a regular contributor to the local newspaper's opinion section.
The software developer was recognized as a top contributor to the open-source project.
Synonyms
donor benefactor participant collaborator provider supporter giver
Antonyms
receiver beneficiary taker consumer opponent hindrance detractor