If you're a team owner, you can remove someone from your team.
Next to the team name, select More options
> Manage team
.On the next screen, select Members, then locate the team member under Members and guests.
Tip
You can also search for a member by name.
Select Remove
on the far right of the name of the person you'd like to remove.
To remove another team owner, first change their role from owner to member, then remove them.
After you remove someone from a team, you can always add them back to the team later on by selecting More options
> Add member
.
Note
Team owners can remove members from a team, but only an admin can remove someone from the organization.
Related articles
Team owner, member, and guest capabilities in Teams
Manage team settings and permissions in Teams