A person legally entitled to the property or rank of another on that person's death.

उत्तराधिकारी

English Usage: The heir to the throne must prepare for the responsibilities that will come with his title.

Hindi Usage: सिंहासन का उत्तराधिकारी अपनी उपाधी से जुड़ी जिम्मेदारियों के लिए तैयार होना चाहिए।