Deciding what to do in a situation like this can be challenging, but there are a few factors to consider before making a decision:
Assess the evidence: Before taking any action, ensure you have concrete evidence that your narcissist friend has been speaking behind your friends' backs. Misunderstandings or misinterpretations can occur, so it's essential to be sure of the situation before taking any steps.
Consider the impact: Think about the potential consequences of warning your friends or leaving the friendship group. Will your warning be taken seriously, or could it lead to conflicts within the group? How will leaving the group affect your relationships with other friends in it?
Communication: If you have a close and trusted relationship with your friends, you might consider discussing your concerns with them privately and sharing the evidence you have. It can help them make informed decisions about their relationships.
Personal well-being: Evaluate how being part of this friendship group affects your well-being. If the dynamic is causing stress, anxiety, or unhappiness, it might be worth considering if the group is genuinely beneficial to you.
Boundaries: Set clear boundaries with your narcissistic friend. If you choose to stay in the group, assert yourself and make it known that you won't tolerate negative behavior or gossip.
Seek professional advice: If the situation is causing significant distress or if there's a history of emotional manipulation or abuse, seeking advice from a mental health professional might be beneficial.
Ultimately, the decision depends on your personal values and what you believe is the best course of action for your well-being and the well-being of your friends. If you're uncertain, taking some time to reflect and discuss the situation with a trusted confidant can help you gain clarity on the best way forward.