Manage member, see the dropdown menu?
Inactive members, i think we forgot to import that text in the update.
Please step to Content -> Manage Languages.
Next up click import language and select english and import.
A Popup will open listing everything what was imported, that is if you were missing something from the default english import file.
Now it should be included, but if not.
Add new phrase
Phrase Name:
a_man_inactive_header
Definition: Manage Inactive Members