kidnaper vs snatcher

kidnaper and snatcher both are nouns.

Word	Noun	Adjective	Verb	Adverb
kidnaper	Yes	No	No	No
snatcher	Yes	No	No	No

As nouns, kidnaper and snatcher are synonyms defined as:

kidnaper and snatcher: someone who unlawfully seizes and detains a victim (usually for ransom)

Other synonyms of kidnaper include abductor, kidnapper.

kidnaper (noun)	snatcher (noun)
someone who unlawfully seizes and detains a victim (usually for ransom)	someone who unlawfully seizes and detains a victim (usually for ransom)
	a thief who grabs and runs