A user leaves the team they're in (and loses access to the team voice and text channels). If the user was a team leader, the next team mate who joined becomes the new team leader. If there is only one person in the team and they leave that team, the team and team channels are deleted.
A user leaves the team they're in (and loses access to the team voice and text channels). If the user was a team leader, the next team mate who joined becomes the new team leader. If there is only one person in the team and they leave that team, the team and team channels are deleted.