locater vs surveyor

locater and surveyor both are nouns.

Word	Noun	Adjective	Verb	Adverb
locater	Yes	No	No	No
surveyor	Yes	No	No	No

As nouns, surveyor is a hypernym of locater; that is, surveyor is a word with a broader meaning than locater:

locater: a person who fixes the boundaries of land claims
surveyor: an engineer who determines the boundaries and elevations of land or structures

locater (noun)	surveyor (noun)
a person who fixes the boundaries of land claims	an engineer who determines the boundaries and elevations of land or structures
	someone who conducts a statistical survey