资料来源 : Webster's Revised Unabridged Dictionary (1913)

Neglecter \Neg*lect"er\, n.
   One who neglects. --South.

资料来源 : WordNet®

neglecter
     n : a person who is neglectful and gives little attention or
         respect to people or responsibilities; "he tried vainly
         to impress his neglecters"