oldtimer

Noun	1.	oldtimer - an experienced person who has been through many battles; someone who has given long service Synonyms: old hand, old stager, old-timer, stager, warhorse, veteran
	2.	oldtimer - an elderly man Synonyms: antique, gaffer, old geezer, old-timer

expert, old hand, old stager, old-timer, stager, veteran, warhorse