abductor vs seizer

abductor and seizer both are nouns.

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

As nouns, seizer is a hyponym of abductor; that is, seizer is a word with a more specific, narrower meaning than abductor:

abductor: someone who unlawfully seizes and detains a victim (usually for ransom)
seizer: a kidnapper who drugs men and takes them for compulsory service aboard a ship

Other hyponyms of abductor include crimp, crimper, shanghaier.

abductor (noun)	seizer (noun)
a muscle that draws a body part away from the median line	a kidnapper who drugs men and takes them for compulsory service aboard a ship
someone who unlawfully seizes and detains a victim (usually for ransom)