colonist vs pioneer

colonist and pioneer both are nouns.

Word	Noun	Adjective	Verb	Adverb
colonist	Yes	No	No	No
pioneer	Yes	No	Yes	No

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

Other hyponyms of colonist include Pilgrim, Pilgrim Father, sourdough, homesteader, nester, squatter.

colonist (noun)	pioneer (noun)
a person who settles in a new colony or moves into new country	one of the first colonists or settlers in a new territory
	someone who helps to open up a new line of research or technology or art

colonist (verb)	pioneer (verb)
	open up and explore a new area
	open up an area or prepare a way
	take the lead or initiative in; participate in the development of