bureaucrat(n = noun.person) administrative official - an official of a bureaucracy;
is a kind of functionary, official
has particulars: bean counter, paper-pusher, procurator, assessor, tax assessor, collector of internal revenue, exciseman, internal revenue agent, tax collector, taxman, taxer

   An official of a bureau; esp. an official confirmed in a narrow and arbitrary routine. C. Kingsley. [1913 Webster]

bureaucrat, n.
1 an official in a bureaucracy.
2 an inflexible or insensitive administrator.

Derivative:
bureaucratic adj. bureaucratically adv.

Etymology:
F bureaucrate (as BUREAUCRACY)

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