(lone) voice in the wilderness

One who expresses an unpopular opinion or idea. She felt like a voice in the wilderness as she tried to warn others about the impending economic collapse. He was a lone voice in the wilderness as he tried to expose the vast corruption within the organization.

Common Names:

Name	Pronounced	Usage
Dot	DAHT	English
Celsus	-	Ancient Roman
Patricia	pə-TRISH-ə (English), pah-TREE-thyah (Spanish), pah-TREE-syah (Latin American Spanish), pah-TREE-tsee-ah (German)	English, Spanish, German, Late Roman
Niina	NEE:-nah	Finnish
Dorofei	-	Russian
Dina (2)	DEE-nah (Italian)	Italian, Portuguese