From unchain + -er. <span class="searchmatch">unchainer</span> (plural <span class="searchmatch">unchainers</span>) One who unchains....
<span class="searchmatch">unchainers</span> plural of <span class="searchmatch">unchainer</span> inshurance...
inshurance (uncountable) (eye dialect) insurance <span class="searchmatch">unchainers</span>...