Source : Webster's Revised Unabridged Dictionary (1913)

Officeholder \Of"fice*hold"er\, n.
   An officer, particularly one in the civil service; a
   placeman.

Source : WordNet®

officeholder
     n 1: someone who is appointed or elected to an office and who
          holds a position of trust; "he is an officer of the
          court"; "the club elected its officers for the coming
          year" [syn: {officer}]
     2: the official who holds an office [syn: {incumbent}]