Back biter, a term which refers to a person who speaks ill of someone behind their back, can be replaced with a number of different synonyms. Such synonyms include: slanderer, gossiper, backstabber, defamer, scandalmonger, gossipmonger, and talebearer. Each of these words highlights the negative and harmful nature of speaking negatively about someone behind their back. It is important to always speak with integrity and honesty, whether in a person's presence or not. Choosing to use language that builds up rather than tears down can strengthen relationships and create a more positive environment for everyone.