Definition of "onsetter" [onsetter]

• One who urges, incites, or sets on (another). (noun)
• One who assails or makes an onset. (noun)

The Century Dictionary (Public Domain)

• "Peels, Daniel Nkuna and Mishack Shabangu as well as Gold Fields onsetter Mokhantsho Bahlekazi died when a rope on a sub-cage winder snapped."
• "In his testimony on Monday onsetter Nicholas Smit, who was on duty on the day the miners died, said "a long signal" about 8. 15pm on May 10 indicated there was an accident in the cage underground."
• "Assistant onsetter Mzuvukile Ngilane told the inquiry that since working at number two shaft from 1980, he had never seen the horizontal bar of the farm gate."