poach

verb

1. To cook in simmering liquid

verb

1. To encroach upon especially for the purpose of taking something
2. To trespass for the purpose of stealing game
3. To trespass on

   "a field poached too frequently by the amateur"

4. To take (game or fish) by illegal methods
5. To appropriate (something) as one's own
6. To attract (someone, such as an employee or customer) away from a competitor

idiom

1. To do something that someone else should do to interfere in an area that another person usually controls

   "You can't keep other candidates from poaching on your turf."