trainbearer vs attender

trainbearer and attender both are nouns.

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

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

trainbearer: one who holds up the train of a gown or robe on a ceremonial occasion
attender: someone who waits on or tends to or attends to the needs of another

Other hypernyms of trainbearer include attendant, tender.

trainbearer (noun)	attender (noun)
one who holds up the train of a gown or robe on a ceremonial occasion	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