No.
If not all of the suitors agreed to the plot, then no one spoke up in Telemachus' defense, making them guilty by association and because they could potentially have stopped the attack.
Eurymachus leads them all in their decision to ambush Telemachus.
They wanted to murder Telemachus before he was full grown and a bigger problem. They originally try to prevent Telemachus from leaving Ithaca, but he escapes. In response the suitors put twenty men on a ship and plan to ambush Telemachus on his ship. Once Telemachus was out of the way, he would no longer be a barrier between one of them marrying Penelope.
Odysseus would not have been able to determine who was loyal. The suitors might be unprepared to ambush him. The suitors might be prepared to kill Telemachus. The suitors might be prepared to run away.
A hetchman
If not all of the suitors agreed to the plot, then no one spoke up in Telemachus' defense, making them guilty by association and because they could potentially have stopped the attack.
Eurymachus leads them all in their decision to ambush Telemachus.
The ambush of suitors waiting in Ithaca
They wanted to murder Telemachus before he was full grown and a bigger problem. They originally try to prevent Telemachus from leaving Ithaca, but he escapes. In response the suitors put twenty men on a ship and plan to ambush Telemachus on his ship. Once Telemachus was out of the way, he would no longer be a barrier between one of them marrying Penelope.
Odysseus would not have been able to determine who was loyal. The suitors might be unprepared to ambush him. The suitors might be prepared to kill Telemachus. The suitors might be prepared to run away.
A hetchman
His ship passed the Elian coast at night.
His ship passed the Elian coast at night.
Medon the henchman told Penelope about their plan.
Just as you have spelled it: ambush.
The noun 'ambush' is a standard collective noun for:an ambush of tigersan ambush of widows
an ambush is a planned trap.