Veteran (3-5)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">veteran</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that veteran can be written as old-timer)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for old-timer that I've seen before include "Man of long experience" , "Veteran, elderly person" , "Very long-serving person" , "Male with long experience, maybe a prospector" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">veteran</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I know that veteran can be written as old hand)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for old hand that I've seen before include "Person with a lot of experience" , "Experience or well-practised person" , "Experienced practitioner" , "Gothic script" , "Experienced or practised person - manually aged?" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">veteran</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>