To usher or escort
I believe the answer is:
marshal
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">to usher</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(marshaling is a kind of ushering)</span><br/ ><br/ >'<span class="explanation-format__original">escort</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(thesaurus)</span><br/ ><br/ ></span>
(Other definitions for marshal that I've seen before include "Assemble and arrange" , "High officer" , "Arrange; senior officer" , "star part in a Western" , "Event supervisor" .)