traducer

traduce +‎ -er, from Latin trādūcō

traducer (plural traducers)

1. One who traduces; one who maligns another by making malicious and false or defamatory statements.
   • 1887, Harriet W. Daly, Digging, Squatting, and Pioneering Life in the Northern Territory of South Australia, page 240:

     In short, Mr. Price defended the country against its traducers, saying that, "so far from the Territory deserving the title of White Elephant, it was a credit to South Australia, and a valuable portion of her possessions."