old-timer vs stager

old-timer and stager both are nouns.

Word	Noun	Adjective	Verb	Adverb
old-timer	Yes	No	No	No
stager	Yes	No	No	No

As nouns, old-timer and stager are synonyms defined as:

old-timer and stager: an experienced person who has been through many battles; someone who has given long service

Other synonyms of old-timer include old hand, old stager, oldtimer, veteran, warhorse.

old-timer (noun)	stager (noun)
an elderly man	someone who supervises the physical aspects in the production of a show and who is in charge of the stage when the show is being performed
an experienced person who has been through many battles; someone who has given long service	an experienced person who has been through many battles; someone who has given long service