The phrase "successor holder" refers to someone who takes over or inherits a position, title, or responsibility from another person who held it before.
Sentences with «successor holder»
If your brother did not name her as the beneficiary or successor holder for his TFSA, the account would be payable to his estate. (moneysense.ca)
You can designate a beneficiary or successor holder when you set up your TFSA or any time later on. (moneysmartsblog.com)
You can name different successor holders or beneficiaries to each account. (moneysmartsblog.com)