The fellowship is led at first by Gandalf, but after his fall in the mines of Moria Aragorn leads them until the fellowship is broken by Boromir's treachery and the attack of the Orcs.
Although the Fellowship disintegrated after Boromir's death, having passed only half of the way to Mordor, it assisted Frodo in passing the first, extremely perilous part of the journey, beyond which there was little need for the Fellowship's remarkable fighting skills. Instead, the remaining members of the Fellowship succeeded in awakening the free peoples of Anduin to the menace hovering above them and bringing about the military setback of Sauron, which then enabled Frodo to complete his mission.
The members of the Fellowship are: