comforter in WordNet English dictionary

1. a person who reduces the intensity (e.g., of fears) and calms and pacifies
   "a reliever of anxiety"; "an allayer of fears"
   reliever  allayer  comforter 
   
2. bedding made of two layers of cloth filled with stuffing and stitched together
   quilt  comforter  comfort  puff 
   
3. commiserates with someone who has had misfortune
   sympathizer  sympathiser  comforter