slider vs snowboarder

slider and snowboarder both are nouns.

Word	Noun	Adjective	Verb	Adverb
slider	Yes	No	No	No
snowboarder	Yes	No	No	No

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

slider: a person who slips or slides because of loss of traction
snowboarder: someone who slides down snow-covered slopes while standing on a snowboard

slider (noun)	snowboarder (noun)
a fastball that curves slightly away from the side from which it was thrown	someone who slides down snow-covered slopes while standing on a snowboard
freshwater turtle of United States and South America; frequently raised commercially; some young sold as pets
someone who races the luge
a person who slips or slides because of loss of traction