auditor
(noun)
noun
1. someone who listens attentively
Similar word(s): attender, hearer, listener
Definition categories: person, beholder, observer, perceiver, percipient
2. a student who attends a course but does not take it for credit
Definition categories: person, educatee, pupil, student
3. a qualified accountant who inspects the accounting records and practices of a business or other organization
Definition categories: person, accountant, comptroller, controller