Synonyms of the word 
MOURNER → GRIEVER - LAMENTER - SORROWER - UNFORTUNATE
mourner
- n. Someone filled with or expressing grief or sadness, especially over a death; someone who mourns.
griever
- n. One who grieves.
lamenter
- n. One who laments.
sorrower
- n. One who sorrows.
unfortunate
- adj. not favored by fortune.
- adj. marked or accompanied by or resulting in misfortune.
- n. An unlucky person.
If you are interested in words, visit the following sites :
- wiktionary.org/mourner For complete definition of a word
- 1word.ws/mourner to play with words, suffixs, prefixs, etc.