upsetter

Noun

 * 1) One who upsets (something); a disrupter.
 * , Part 1:
 * And so were all Christians in Pliny's time, insane like others, and called not long after, followers of madness, upsetters of men, vicious innovators
 * 1) A person or device that turns something upside down.
 * 2)  A kind of forging machine that moves horizontally.