jì​chéng​rén

heir

继承人 (繼承人) jì​chéng​rén
heir noun
a person who inherits or has a legal right to the property, title, or wealth of another upon their death

He is the sole legal heir to this huge inheritance.

successor noun
a person who succeeds another in a position, office, or the continuation of a legacy or tradition

This traditional handicraft is facing the dilemma of a lack of successors.

Frequency

Movie subtitles
3.55 per million appears in 1% of films
Written text
3.07 per million

Sources

Definitions
CC-CEDICT