tragedian
noun /trəˈdʒiːdiən/
  /trəˈdʒiːdiən/
 (formal)- a person who writes tragedies for the theatreTopics Literature and writingc2, Film and theatrec2
 - an actor in tragedies
 
Word Originlate Middle English (denoting a writer of tragedies): from Old French tragediane, from tragedie, via Latin from Greek tragōidia, apparently from tragos ‘goat’ (the reason remains unexplained) + ōidē ‘song, ode’.