armiger vs noble

armiger and noble both are nouns.

Word	Noun	Adjective	Verb	Adverb
armiger	Yes	No	No	No
noble	Yes	Yes	No	No

As nouns, noble is a hypernym of armiger; that is, noble is a word with a broader meaning than armiger:

Other hypernyms of armiger include Lord, nobleman.

armiger (noun)	noble (noun)
a squire carrying the armor of a knight	a titled peer of the realm
a nobleman entitled to bear heraldic arms

armiger (adjective)	noble (adjective)
	having or showing or indicative of high or elevated character
	of or belonging to or constituting the hereditary aristocracy especially as derived from feudal times
	impressive in size, manner, or appearance
	inert especially toward oxygen