Defamer
The Century Dictionary and Cyclopedia
noun.
A slanderer; libeler; detractor; calumniator.
the GNU version of the Collaborative International Dictionary of English
noun.
One who defames; a slanderer; a detractor; a calumniator.
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
one who
defames
.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
one who attacks the reputation of another by slander or libel
Word Usage
"If you can find the defamer, the need to sue the ISP may be reduced."