No, peasants had rights which varied immensely depending on their exact status and where they were. Still the aristocracy couldn't just kill them or take their

No, peasants had rights which varied immensely depending on their exact status and where they were. Still the aristocracy couldn't just kill them or take their stuff, and one of the primary responsibilities of the aristocracy or other landholders was adjudicating disputes between peasants. So if we were two free peasants who got in a fight, we might end up in court with the lord or their representative deciding between us, with one or both of us possibly facing fines.