Plain people (5)
I believe the answer is:
amish
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">plain people</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for amish that I've seen before include "Member of a sect" , "Relating to a strict American sect" , "Relating to a strict US Mennonite sect" , "US sectarians" , "Of US Mennonites" .)