All members in a teamspace can invite new members to join a teamspace they are a part of. Only teamspace Directors can specify member permissions.
📄 Create a new teamspacefirst if your Personal space is the only teamspace in the parent workspace. Otherwise navigate to the shared teamspace (see📄 Navigate to a different teamspace)
Press on Add member.
Then Add members again.
Enter the email, and specify their role (Director only).
Director: Can manage teamspace settings and members
Editor: Can create, edit and share files
Commenter: Can view and comment on files
If the invitee isn't a workspace member yet, an approval request would be sent to the workspace Owner. Once approved, the invitee will receive an invitation to join the team in this workspace.