traveller vs actor

traveller and actor both are nouns.

Word	Noun	Adjective	Verb	Adverb
traveller	Yes	No	No	No
actor	Yes	No	No	No

As nouns, actor is a hypernym of traveller; that is, actor is a word with a broader meaning than traveller:

Other hypernyms of traveller include doer, worker.

traveller (noun)	actor (noun)
a person who changes location	a theatrical performer
	a person who acts and gets things done