Pretender

A pretender is someone who claims to be a legitimate ruler or leader but lacks legal or official recognition. They often assert a throne, claim authority, or position through false or unproven means, such as political deception, false titles, or even conspiracy. Pretenders may seek to gain power or influence by convincing others they are rightful heirs or leaders, despite not having formal or accepted legitimacy. The term is often used in historical contexts but can apply to modern situations where individuals challenge established authority without proper acknowledgment.