old-timer

plural old-timers · alternative old timer · alternative oldtimer

1. One who has been around for a long time or has a great deal of experience.
   1. An elder.

      A: Hey, how's it going, old-timer?   B: Ha ha, nice try — you're even older than I am!   A: It takes one to know one, after all.

      Synonyms: oldster, oldie, senior citizen, ager, antique, badge-cove, cheeser, coffin dodger

   2. A veteran.

      Some of the old-timers around here might be able to tell you how it all began.

      1 more example

      It’s plain that older Americans have become a more important and reliable part of the audience that goes to movie theatres. Yet a few years ago, the Academy gave up on honouring old-timers in the show – because they wanted kids to be watching?

      2016 March 3, David Thomson, “Biggest lesson of the 2016 Oscars? The Academy should be scrapped”, in The Guardian

      Synonyms: old hand, warhorse