collector

collector
    n 1: a person who collects things [syn: {collector},
         {aggregator}]
    2: a person who is employed to collect payments (as for rent or
       taxes) [syn: {collector}, {gatherer}, {accumulator}]
    3: a crater that has collected cosmic material hitting the earth
    4: the electrode in a transistor through which a primary flow of
       carriers leaves the region between the electrodes
    

Collector \Col*lect"or\, n. [LL. collector one who collects: cf.
   F. collecteur.]
   1. One who collects things which are separate; esp., one who
      makes a business or practice of collecting works of art,
      objects in natural history, etc.; as, a collector of
      coins.
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            I digress into Soho to explore a bookstall. Methinks
            I have been thirty years a collector. --Lamb.
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   2. A compiler of books; one who collects scattered passages
      and puts them together in one book.
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            Volumes without the collector's own reflections.
                                                  --Addison.
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   3. (Com.) An officer appointed and commissioned to collect
      and receive customs, duties, taxes, or toll.
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            A great part of this is now embezzled . . . by
            collectors, and other officers.       --Sir W.
                                                  Temple.
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   4. One authorized to collect debts.
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   5. A bachelor of arts in Oxford, formerly appointed to
      superintend some scholastic proceedings in Lent. --Todd.
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COLLECTOR, officer. One appointed to receive taxes or other impositions; as  
collector of taxes; collector of militia fines, &c. A collector is also a 
person appointed by a private person to collect the credits due him. Metc. & 
Perk. Dig. h.t. 
    

114 Moby Thesaurus words for "collector":
      accumulator, addict, admirer, amateur, arbiter,
      arbiter elegantiarum, arbiter of taste, aspirant, aspirer,
      authority, base, beg, beglerbeg, bey, bill collector, bon vivant,
      booster, buff, bug, burgrave, candidate, cognoscente,
      collection agent, connaisseur, connoisseur, coveter, critic, demon,
      desirer, devotee, dey, dilettante, douanier, dunner, eager beaver,
      emitter, energumen, enthusiast, eparch, epicure, epicurean, exarch,
      exciseman, expert, faddist, fan, fanatic, fancier, farmer, fiend,
      filamentary transistor, follower, freak, gatherer, gauleiter,
      germanium crystal triode, good judge, gourmand, gourmet, governor,
      governor-general, great one for, groupie, hankerer, hobbyist,
      hook-collector transistor, hopeful, hound, idolater, idolizer,
      infatuate, judge, khedive, lieutenant governor, lover, magpie,
      maven, miser, nabob, nawab, nut, pack rat, palatine,
      point-contact transistor, proconsul, provincial, pursuer,
      refined palate, rhapsodist, rooter, satrap, solicitant, spacistor,
      stadtholder, subahdar, sucker for, suitor, tax collector, tetrarch,
      tetrode transistor, transistor, unipolar transistor, vali,
      vice-king, viceroy, virtuoso, visionary, votary, wali, wanter,
      wisher, worshiper, yearner, zealot