Do I have to give someone User Rights every time I add a new person to the project?

Create Roles for standard sets of User Rights

User Rights Definitions

How do I modify User Rights for myself or another user?

I am trying to add someone to my project but cannot find them on the User Rights application. How do I add them to the project?

How do I give others access to my REDCap Project?

I added someone to a project but they cannot see it in their My Projects list. Do you know what is wrong?