Why do colleagues backstab?

Why do colleagues backstab?
More likely, backstabbing co-workers are probably just thinking of themselves. By slagging their coworkers, a backstabber may feel that they're making themselves look good by comparison.
How do you recognize a backstabber?
4 Ways to Spot Backstabbers Before it's Too Late
- Backstabbers know office gossip. Slicing someone requires inside information and they have it.
- Backstabbers whisper. Be careful with this one. ...
- Backstabbers flatter. Flattery is smooth speech that inflates someone's ego. ...
- Backstabbers cut others off at the knees.
How do you deal with a mean coworker?
What Can You Do if You Encounter a Difficult Coworker or Boss?
- Don't take it personally. Try to look at the conflict as objectively as possible. ...
- Consider killing her with kindness. ...
- Play defense. ...
- Whatever you do, don't gossip. ...
- Finally, you may have no choice but to confront her.
How can you tell if a coworker is jealous?
7 Signs Your Coworkers Are Jealous of You (and What to Do About...
- They love it when you make mistakes. You made a typo. ...
- They don't offer to help. ...
- They openly criticize you. ...
- They talk behind your back. ...
- They give you backhanded compliments. ...
- They sabotage your work. ...
- They spread lies about you.