A person designated and raised to become the next king.
A person expected to inherit or take over an enterprise or undertaking once its current manager retires or dies.
A person designated and raised to become the next emperor.
A ruler of other rulers.
A feudal lord directly owed rent or personal service by a tenant of subinfeudated land, a tenant's liege lord.
Anyone with overarching power or authority in a given domain.
To rule over; to domineer.