Disciple of Christ (7)
I believe the answer is:
apostle
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">disciple of christ</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for apostle that I've seen before include "Religious messenger" , "Champion - one of twelve" , "Preacher perhaps" , "Early Christian teacher" , "Early Christian missionary" .)