Irish Sea isle (3)
I believe the answer is:
man
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">irish sea isle</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for man that I've seen before include "Staff the island" , "Chap" , "Soldier" , "Individual" , "Irish Sea isle" .)