hiker vs tramper

hiker and tramper both are nouns.

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

As nouns, hiker and tramper are synonyms defined as:

hiker and tramper: a foot traveler; someone who goes on an extended walk (for pleasure)

Other synonyms of hiker include tramp.

hiker (noun)	tramper (noun)
a foot traveler; someone who goes on an extended walk (for pleasure)	someone who walks with a heavy noisy gait or who stamps on the ground
	a foot traveler; someone who goes on an extended walk (for pleasure)