old stager vs old hand

old stager and old hand both are nouns.

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

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

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

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

old stager (noun)	old hand (noun)
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