settler vs pioneer

settler and pioneer both are nouns.

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

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

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

settler (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
a clerk in a betting shop who calculates the winnings	someone who helps to open up a new line of research or technology or art
a negotiator who settles disputes

settler (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