comforter

(noun) commiserates with someone who has had misfortune. Synonyms: sympathizer, sympathiser.

(noun) a person who reduces the intensity (e.g., of fears) and calms and pacifies. Synonyms: reliever, allayer. Examples: "A reliever of anxiety." "An allayer of fears."

(noun) bedding made of two layers of cloth filled with stuffing and stitched together. Synonyms: quilt, comfort, puff.

(noun) device used for an infant to suck or bite on. Synonyms: pacifier, baby's dummy, teething ring.