snatcher vs kidnaper

snatcher and kidnaper both are nouns.

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

As nouns, snatcher and kidnaper are synonyms defined as:

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

Other synonyms of snatcher include abductor, kidnapper.

snatcher (noun)	kidnaper (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