Ignore their actions
Fran Walfish, PsyD, a Beverly Hills-based family and relationship psychotherapist and author, says one effective way to handle bragging and credit-stealing coworkers is to ignore them. "Any engagement is an invitation for a power-struggle, battle, and declaration of war," she says. Instead, focus on your own work and keep your distance. Use these 18 tips to have a productive workday—despite distractions.
According to Psychology Today, a narcissistic boss or colleague who engages in "gas-lighting" to diminish you and praise themselves will exhibit particular actions. He might question your memory of an incident, change the subject, trivialize your concerns, and forget or deny abusive behavior. "All these behaviors are intended to make you doubt your thoughts, memories, and actions and attempt to make you see that there's something wrong with you," says Ray Williams, President of Ray Williams Associates and author of several business books. Here are some more clues to spotting a narcissist.
Resist the urge to challenge them
Williams also recommends not challenging a narcissist—especially in front of others. If they feel you've harmed their self image, they won't take it well. "Never disagree with the narcissist or contradict him particularly in front of other people; he will punish you for doing so," adds Williams.