You can't keep other candidates from 'poaching on your turf'. [=from trying to get voters who usually vote for you or your party to vote for them]
She was accused of 'poaching' [='plagiarizing'] the material for her essay from a Web site.
Her former company accused her of 'poaching' clients.
(..) Impersonating a cleric of the church of England." Ah, yeah. "Sailing under false colors, arson, kidnapping, looting, poaching, brigandage, pilfering, depravity, depredation, and general lawlessness. And for these crimes you have been sentenced to be, (..)2003 Pirates of the Caribbean: The Curse of the Black Pearl
(..) We walk. Yeah, I'm sure we will. God damn, wish my daddy was a doctor then he could have bought me a captains job. So what do we do now? ...praying that poach ain't rockin' if we ever get back here... ...to pick them up. - Make sure to mark this place. We're leaving a fortune under these rocks. (..)2015 The Revenant
(..) and follow it down... ...to fort kahowa. - What, on foot? - Are you sure? It'd be a week before we get there. Unless we come across a poach straying prison horses. Ain't no poach that far over. Right, captain. Losing this boat is god damn stinking. Besides the rees ain't that stupid ... (..)2015 The Revenant