squatter vs nester

squatter and nester both are nouns.

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

As nouns, squatter and nester are synonyms defined as:

squatter and nester: someone who settles lawfully on government land with the intent to acquire title to it

Other synonyms of squatter include homesteader.

squatter (noun)	nester (noun)
someone who settles on land without right or title	a bird that has built (or is building) a nest
someone who settles lawfully on government land with the intent to acquire title to it	someone who settles lawfully on government land with the intent to acquire title to it