Majordomo

from The Collaborative International Dictionary of English v.0.48

Major-domo \Ma`jor-do"mo\, n. [Sp. mayordomo, or It.
   maggiordomo; both fr. LL. majordomus; L. major greater +
   domus house.]
   A man who has authority to act, within certain limits, as
   master of the house; a steward; also, a chief minister or
   officer.
   [1913 Webster]

from The Free On-line Dictionary of Computing (8 July 2008)

Majordomo

   <messaging, tool> A popular {freeware} {mailing list}
   processor written in {Perl} which runs under {Unix}.
   Majordomo is a "groupware" project which evolved from code by
   Brent Chapman <[email protected]>, with maintenance by
   John Rouillard <[email protected]>.  The current Majordomo
   maintainer is Chan Wilson <[email protected]>.

   A majordomo is a person who speaks, makes arrangements, or
   takes charge for another; from Latin "major domus" - "master
   of the house".

   (http://greatcircle.com/majordomo/).

   (2001-04-27)

from Moby Thesaurus II by Grady Ward, 1.0

20 Moby Thesaurus words for "majordomo":
      MC, attorney, bailiff, butler, chamberlain, croupier, curator,
      custodian, emcee, factor, guardian, house steward, housekeeper,
      landreeve, librarian, master of ceremonies, proctor, procurator,
      seneschal, steward