libeller
nounEtymology From libel + -er.
1
One who libels.
- He always contrived to sit next the door, to which he paid more attention than to his hearer; his eye always wandering to it as if he meditated an escape, and yet this man was the most audacious libeller of his time.1837, L[etitia] E[lizabeth] L[andon], “Publishing”, in Ethel Churchill: Or, The Two Brides. […], volume II, London: Henry Colburn, […], →OCLC, page 12: