Heike family; Taira family
the said person; he; she; same surname
a certain person; unnamed person; Mr. So-and-so; a certain someone who shall remain unnamed
anonymous person; a nobody
uji-kabane system; system of clans and hereditary titles (of the Yamato court)
drop dead; go to hell; fuck you; fuck off and die; kill yourself
Hansen's disease; leprosy
the said person; the target (person)