thanks for the four examples - but only one is a real "bug" (Seite 1 of 4 pages). The others are defined by german users ("Fahrzeuge", "Stadt") or names ("IT-grundschutz"). We're always trying to improve our translations and have been switching to englisch as default language in many areas (exception handling, error messages, …).
yea you're right. You shouldn't be able to do so inside a login session cuz you're chucking yourself out then ;-) We are about to remove the complete administration of mandators inside i-doit. It will only be possible with the Admin-Center in future versions.