The phrase "former auditor" refers to a person who used to examine and review financial accounts and records of an organization in the past. Full definition
In this case shareholders started a negligence action against former auditors of their company. (holnesslawgroup.com)
Former auditor general Sheila Fraser, after her 2004 report on the sponsorship affair that rocked the then - ruling Liberals, became the face of honesty in government. (macleans.ca)
Acting for a liquidator against former directors and former auditors of an insolvent company. (mooreblatch.com)