Seychellois vs aboriginal

Seychellois and aboriginal both are nouns.

Word	Noun	Adjective	Verb	Adverb
Seychellois	Yes	Yes	No	No
aboriginal	Yes	Yes	No	No

As nouns, aboriginal is a hypernym of Seychellois; that is, aboriginal is a word with a broader meaning than Seychellois:

Other hypernyms of Seychellois include aborigine, indigen, indigene, native.

Seychellois (noun)	aboriginal (noun)
a native or inhabitant of Seychelles	an indigenous person who was born in a particular place

Seychellois (adjective)	aboriginal (adjective)
of the Seychelles or their people	characteristic of or relating to people inhabiting a region from the beginning
	having existed from the beginning; in an earliest or original stage or state