settler vs nester

settler and nester both are nouns.

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

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

settler: a person who settles in a new colony or moves into new country
nester: someone who settles lawfully on government land with the intent to acquire title to it

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

settler (noun)	nester (noun)
a person who settles in a new colony or moves into new country	a bird that has built (or is building) a nest
a clerk in a betting shop who calculates the winnings	someone who settles lawfully on government land with the intent to acquire title to it
a negotiator who settles disputes