esquire vs attender

esquire and attender both are nouns.

Word	Noun	Adjective	Verb	Adverb
esquire	Yes	No	No	No
attender	Yes	No	No	No

As nouns, attender is a hypernym of esquire; that is, attender is a word with a broader meaning than esquire:

esquire: (Middle Ages) an attendant and shield bearer to a knight; a candidate for knighthood
attender: someone who waits on or tends to or attends to the needs of another

Other hypernyms of esquire include attendant, tender.

esquire (noun)	attender (noun)
(Middle Ages) an attendant and shield bearer to a knight; a candidate for knighthood	someone who waits on or tends to or attends to the needs of another
	a person who is present and participates in a meeting
	someone who listens attentively