Also especially British, li·bel·ler.
Origin of libeler
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for libeler
It was insignificance or remoteness alone that protected the libeler.
The reviewer also was naturally dissatisfied with a decision which left upon him the stigma of a libeler.
We read our Nordau and with but the very slightest ability to judge what he says we declare him a libeler.The Inhumanity of Socialism
Edward F. Adams