tripper vs walker

tripper and walker both are nouns.

Word	Noun	Adjective	Verb	Adverb
tripper	Yes	No	No	No
walker	Yes	No	No	No

As nouns, walker is a hypernym of tripper; that is, walker is a word with a broader meaning than tripper:

Other hypernyms of tripper include footer, pedestrian.

tripper (noun)	walker (noun)
a catch mechanism that acts as a switch	an enclosing framework on casters or wheels; helps babies learn to walk
a tourist who is visiting sights of interest	a light enclosing framework (trade name Zimmer) with rubber castors or wheels and handles; helps invalids or the handicapped or the aged to walk
a walker or runner who trips and almost falls	a shoe designed for comfortable walking
(slang) someone who has taken a psychedelic drug and is undergoing hallucinations	a person who travels by foot