Add a user to a project in Teamwork.com. In the context of Teamwork.com, a project member is a user who is assigned to a specific project. Project members can have different roles and permissions within the project, allowing them to collaborate on tasks, view project details, and contribute to the project's success. Managing project members effectively is crucial for ensuring that the right people are involved in the right tasks, and it helps maintain accountability and clarity throughout the project's lifecycle.