kidnaper vs abductor

kidnaper and abductor both are nouns.

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

As nouns, kidnaper and abductor are synonyms defined as:

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

Other synonyms of kidnaper include kidnapper, snatcher.

kidnaper (noun)	abductor (noun)
someone who unlawfully seizes and detains a victim (usually for ransom)	a muscle that draws a body part away from the median line
	someone who unlawfully seizes and detains a victim (usually for ransom)