Lewis Short
narrātor (noun M) : id.
* A relater, narrator, historian (class.): narratores faceti,Cic. de Or. 2, 54, 219: rerum,id. ib. 2, 12, 54: disertus rerum suarum,Quint. 11, 1, 36: a narratoribus oratoribusque praecipua materia in laudem principis adsumta est,Tac. A. 16, 2.
Charlton T. Lewis, Charles Short, A Latin Dictionary