pillar vs admirer

pillar and admirer both are nouns.

Word	Noun	Adjective	Verb	Adverb
pillar	Yes	No	No	No
admirer	Yes	No	No	No

As nouns, admirer is a hypernym of pillar; that is, admirer is a word with a broader meaning than pillar:

Other hypernyms of pillar include booster, champion, friend, protagonist, supporter.

pillar (noun)	admirer (noun)
(architecture) a tall vertical cylindrical structure standing upright and used to support a structure	someone who admires a young woman
a vertical cylindrical structure standing alone and not supporting anything (such as a monument)	a person who backs a politician or a team etc.
a fundamental principle or practice	a person who admires; someone who esteems or respects or approves
a prominent supporter
anything that approximates the shape of a column or tower