A reckoner, or someone who maintains financial matters for a person(s).
A sex worker, particularly one who does not want to be publicized as one
One who renders account; one accountable.
One whose profession includes organizing, maintaining and auditing the records of another. The records are usually, but not always, financial records.
One who is skilled in, keeps, or adjusts, accounts; an officer in a public office, who has charge of the accounts.
A professional who calculates financial values associated with uncertain events subject to risk, such as insurance premiums or pension contributions.