successor
Pronunciation:
/səkˈsɛsə(ɹ)/noun
Definitions
A person or thing that immediately follows another in holding an office or title.
Example: George W. Bush was successor to Bill Clinton as President of the US.
The next heir in order or succession.
A person who inherits a title or office.
The integer, ordinal number or cardinal number immediately following another.
Example: A limit ordinal is not the successor of any ordinal.