voice crying in the wilderness

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

Common Names:

Name	Pronounced	Usage
Isidor	EE-see-dawr (German)	German, Russian, Macedonian
Tallak	-	Norwegian
Hannah	HAN-ə (English), HAH-nah (German)	English, Hebrew, French, German, Dutch, Swedish, Biblical
&Aelig;&Thorn;Elr&Aelig;D	-	Anglo-Saxon
Sawyer	['sɔ:jə]
Helen	HEL-ən (English)	English, Swedish, Norwegian, Danish, Greek Mythology (Anglicized)