summercater vs vacationist

summercater and vacationist both are nouns.

Word	Noun	Adjective	Verb	Adverb
summercater	Yes	No	No	No
vacationist	Yes	No	No	No

As nouns, vacationist is a hypernym of summercater; that is, vacationist is a word with a broader meaning than summercater:

summercater: (Maine colloquial) a temporary summer resident of Maine
vacationist: someone on vacation; someone who is devoting time to pleasure or relaxation rather than to work

Other hypernyms of summercater include vacationer.

summercater (noun)	vacationist (noun)
(Maine colloquial) a temporary summer resident of Maine	someone on vacation; someone who is devoting time to pleasure or relaxation rather than to work