I, as in personality (3)
I believe the answer is:
ego
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">i as in personality</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for ego that I've seen before include "Self-esteem, sense of self" , "Person's sense of self" , "One's self-image" , "Inner self" , "Selfishness" .)