This Video is to Support the Article: https://code2care.org/git/gitub-how-to-invite-collaborator
If you want to invite collaborators to your GitHub repositories, then follow the below steps,
1) Go to your repo page: https://github.com/<git_user_name>/<git_repo>
2) Now click on Settings,
3) From the left Sidebar under Access click on Collaborators,
4) Now under Manage Access click on Add People
5) You will see a pop-up to search people by email or GitHub username, search a user and click on Add User to this repository
6) The user should receive an email inviting, once accepted, they can collaborate with your repository.