lecher vs deviant

lecher and deviant both are nouns.

Word	Noun	Adjective	Verb	Adverb
lecher	Yes	No	No	No
deviant	Yes	Yes	No	No

As nouns, deviant is a hypernym of lecher; that is, deviant is a word with a broader meaning than lecher:

lecher: man with strong sexual desires
deviant: a person whose behavior deviates from what is acceptable especially in sexual behavior

Other hypernyms of lecher include degenerate, deviate, perv, perve, pervert.

lecher (noun)	deviant (noun)
man with strong sexual desires	a person whose behavior deviates from what is acceptable especially in sexual behavior

lecher (adjective)	deviant (adjective)
	markedly different from an accepted norm