What is "slanderers"

Usage examples of "slanderers".

There the Slanderers, Backbiters, and other envious cowards are tormented in a deep and dark dungeon.

The writer said that the slanderers had got the ears of the king, and that I was no longer a persona grata at Court, as he had been assured that the Parisians had burnt me in effigy for my absconding with the lottery money, and that I had been a strolling player in Italy and little better than a vagabond.

Indeed with these dregs of the newspapers, these gutterslanderers, if one would be open and say all the truth aloud what would one have to fear?