hiker vs footer

hiker and footer both are nouns.

Word	Noun	Adjective	Verb	Adverb
hiker	Yes	No	No	No
footer	Yes	No	No	No

As nouns, footer is a hypernym of hiker; that is, footer is a word with a broader meaning than hiker:

Other hypernyms of hiker include pedestrian, walker.

hiker (noun)	footer (noun)
a foot traveler; someone who goes on an extended walk (for pleasure)	a printed note placed below the text on a printed page
	a person who travels by foot
	(used only in combinations) the height or length of something in feet