Gaslight is a narcissistic emotional manipulation technique normally used by narcissists for some emotional benefits from the narcissist's prey. Gaslighting empathic people by the narcissist can create confusion which normally it's difficult to overcome. However, narcs are not the only ones who gaslight their partners and gaslight does not happen only in narcissism. How to deal with gaslight?
How to detect gaslight and how to act when we face someone trying to gaslight us?