'Griever' definitions:

Definition of 'griever'

From: WordNet
noun
A person who is feeling grief (as grieving over someone who has died) [syn: mourner, griever, sorrower, lamenter]

Definition of 'Griever'

From: GCIDE
  • Griever \Griev"er\, n. One who, or that which, grieves. [1913 Webster]