Guest right applies only between host and guest , it doesn ' t mean there ' s automatically also a contract between guests as well . One notable custom that the Northmen hold dearer than any other is guest right , the tradition of hospitality by which a man may offer no harm to a guest beneath his roof , nor a guest to his host . TWoIaF The laws of hospitality are as old as the First Men , and sacred as a heart tree . He gestured at the board between them , the broken bread and chicken bones . Here you are the guest , and safe from harm at my hands . . . this night , at least . Mance to Jon , ASoS , Jon ICatelyn didn ' t harm Masha , therefore she didn ' t break guest right . <| sep |> But it is exactly that , the nickname Raikiri is exclusive to Kakashi ' s chidori as he sliced a lightning bolt with it which basically earned it a reputation . is the part where Guy explains the difference if you missed it .