bean counter - an accountant or bureaucrat who who is believed to place undue emphasis on the control of expenditures

functionary, official - a worker who holds or is invested with an office

paper-pusher - a clerk or bureaucrat who does paperwork

procurator - (ancient Rome) someone employed by the Roman emperor to manage finance and taxes

assessor, tax assessor - an official who evaluates property for the purpose of taxing it

collector of internal revenue, exciseman, internal revenue agent, tax collector, taxman - someone who collects taxes for the government

taxer - a bureaucrat who levies taxes