Teams give the ability to create groups of members. Team members can be granted read, write, or admin permissions to repositories that belong to the organization.
Permission levels for an organization repository
Once you create an organization, you manage the organization's repository access with teams. Each team can have different repository access permissions.
Creating teams
Teams give organizations the ability to create groups of members and control access to repositories.
Adding people to teams in an organization
Once you create a team, you can add organization members to it.
Removing a member from a team in your organization
Teams are used to manage access to repositories in an organization. If a member of your organization no longer requires access to certain repositories, you can remove them from the team that allows that access.
Removing a user from your organization
If a member of your organization no longer requires access to any repositories owned by the organization, you can remove them from the organization.