backbiter (noun)

1. In the cartoon show, the villain is portrayed as a notorious backbiter who constantly spreads false rumors about the protagonist.

2. In the fashion industry, a backbiter may try to ruin a designer's reputation by spreading untrue gossip about their work.

3. In the world of architecture and interior design, there are backbiters who attempt to tarnish the image of talented professionals through defamatory remarks and false accusations.

4. According to Greek mythology, some gods and goddesses were notorious backbiters, often slandering and defaming each other to gain an advantage over their peers.