Telemachus accuses the suitors of eating him out of house and home and tells the suitors that he formally ask them to leave the next day, and makes death threats against them if they refuse to leave. He then calls an assembly of the island's council the next day, where he repeats his accusations.
they kill the suitors
Yes. Telemachus fights his mother's suitors in both deed and combat.
the excuse that telemachus gives to the suitors is that he will clean the weapons
Telemachus sailed away on swift winds, and the suitors were unable to catch him either when he left Ithaca or when he returned.
Athena
Telemachus catches the suitors raiding the storeroom in his household.
Eurymachus leads them all in their decision to ambush Telemachus.
Odysseus tells Telemachus to hid the weapons so that the suitors can't use them. Telemachus has to say that the weapons are getting "smoke damaged" and he is afraid that the suitors will start hurting themselves with them if they have too much to drink.
Odysseus persuades Telemachus by revealing his true identity, proving he is still alive and capable of taking down the suitors. He reassures Telemachus that they have the gods on their side and that together, father and son, they can overcome the suitors' tyranny and restore justice to their home.
Antinous suggests to have the suitors killed. Since Telemachus is the only suitor that keeps Antinous from Penelope, if Antinous gets rid of Telemachus and the rest of the suitors, he will be the only one left in the house and Penelope will be forced to marry Antinous.
Multiple eagles fly overhead when Telemachus threatens to punish the suitors; this meant that the god Zeus was agreeing with him.
Odysseus tells Telemachus to remain calm and not start a fight with the suitors. He advises Telemachus to observe their behavior and wait for the right moment to take action. Odysseus urges his son to trust in him and the plan they have in place to deal with the suitors.