servitor

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun One that performs the duties of a servant to another; an attendant.

from The Century Dictionary.

• noun One who serves or attends; a subordinate; a follower; an adherent.
• noun Specifically
• noun A male domestic servant; a menial.
• noun (b ) One who serves in the army; a soldier.
• noun Formerly, at Oxford University, an undergraduate who was partly supported by the college funds, who was distinguished by peculiar dress, and whose duty it was to wait at table on the fellows and gentlemen commoners. This class of scholars no longer exists, and practically has not existed for a century. The statement of Thackeray below is inexact, inasmuch as the Oxford servitors did not correspond to the Cambridge sizars, but to the subsizars.
• noun (d ) One who professes duty or service: formerly used in phrases of civility.

from the GNU version of the Collaborative International Dictionary of English.

• noun One who serves; a servant; an attendant; one who acts under another; a follower or adherent.
• noun (Univ. of Oxford, Eng.) An undergraduate, partly supported by the college funds, whose duty it formerly was to wait at table. A servitor corresponded to a sizar in Cambridge and Dublin universities.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun one who performs the duties of a servant.
• noun one who serves in an army; a soldier.
• noun an undergraduate who performed menial duties in exchange for financial support from his college, particularly at Oxford University

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun someone who performs the duties of an attendant for someone else