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

Shouter \Shout"er\, n.
   One who shouts.

资料来源 : WordNet®

shouter
     n : someone who communicates vocally in a very loud voice [syn:
         {roarer}, {bawler}, {bellower}, {screamer}, {screecher},
         {yeller}]