old stager vs stager

old stager and stager both are nouns.

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

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

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

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

old stager (noun)	stager (noun)
an experienced person who has been through many battles; someone who has given long service	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