comforter

noun

1.
a person who commiserates with someone who has had misfortune
sympathiser sympathizer
Derived from:
comfort
2.
a person who reduces the intensity (e.g., of fears) and calms and pacifies
soother allayer reliever
Derived from:
comfort
3.
bedding made of two layers of cloth filled with stuffing and stitched together
comfort puff quilt
Derived from:
comfort
4.
device used for an infant to suck or bite on
baby's dummy pacifier teething ring
Derived from:
comfort