In GitHub, what is the purpose of a team's 'maintainer' role?

In GitHub organizations, teams have two member roles: 'Member' and 'Maintainer'. Team Maintainers can: add and remove team members, change the team's name and description, add and remove repositories from the team's access, and manage child teams. They do NOT automatically get admin access to team repositories — their code access is determined by the team's repository permission level. Team maintainers cannot override branch protection rules (that requires repository admin). The maintainer role is about team management delegation, not elevated code access. Organization owners automatically have maintainer-equivalent access to all teams.