How does Telemachus help Odysseus get revenge on the suitors?

Telemachus aids Odysseus in taking revenge on the suitors by first gathering intelligence about their actions and reinforcing his resolve to reclaim their home. He discreetly supports Odysseus upon his return to Ithaca, helping to plan their strategy. Together, they execute a surprise attack, with Telemachus assisting in disarming the suitors and fighting alongside his father during the confrontation. His bravery and loyalty play a crucial role in the successful reclaiming of their household.