Accountant
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
One who keeps accounts , a person skilled in keeping books or accounts; an expert in accounts or bookkeeping.
A person who renders an account
When an executor, guardian, etc., renders an account of the property in his hands and his administration of the trust, either to the beneficiary or to a court, he is styled, for the purpose of that proceeding, the "accountant."