What is the meaning of Accountant?

One who renders account; one accountable.

A reckoner, or someone who maintains financial matters for a person(s).

One who is skilled in, keeps, or adjusts, accounts; an officer in a public office, who has charge of the accounts.

One whose profession includes organizing, maintaining and auditing the records of another. The records are usually, but not always, financial records.

A sex worker, particularly one who does not want to be publicized as one

Accountable.

an accountant; an account-keeper or auditor

Source: wiktionary.org