Mentors
I believe the answer is:
gurus
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">mentors</span>' is the definition.<br/ ><span class="explanation-format__explanation">(guru is a kind of mentor)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for gurus that I've seen before include "Indian spiritual leaders" , "Hindu spiritual teachers or heads of religious sects" , "Religious leaders and spiritual teachers" .)