Contributor is one of the user roles in WordPress with predefined capabilities. A user with the contributor role in a WordPress site can edit and delete their own posts, but they can not edit or delete published posts. This makes contributor role an ideal choice for WordPress site owners who want to allow other people to come write on their websites. There are plugins available which provide website administrators even more control on the capabilities of each user roles.
This post was originally published in the wpbeginner glossary.