what character's warning from Book 3 is being carried out when medon tells penelope about the suitor plan? explain answer

In book 3 Nestor warns Telemachos not to stray from home for too long; the suitors are always lurking in the background ready to pounce. This of course follows book 4 when Athena sends a phantom in the form of Penelope’s sister to warn of the suitor's ambush on Odysseus.