Seychellois vs indigen

Seychellois and indigen both are nouns.

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

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

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

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

Seychellois (adjective)	indigen (adjective)
of the Seychelles or their people