Final answer:
A cost estimator's job, which focuses on estimating costs for products or services, is not similar to the work of accountants and auditors; hence, a cost estimator is the correct answer to the question.
Step-by-step explanation:
The occupation that is NOT similar to the job duties of accountants and auditors among the options provided is a cost estimator. While cost estimators do work with numbers and forecasts similar to accountants and auditors, their primary role is to estimate the time, money, materials, and labor required to manufacture a product, construct a building, or provide a service. In contrast, personal financial advisors, actuaries, and budget analysts perform tasks more closely related to analyzing financial data, which aligns more directly with the work of accountants and auditors.