The Chorus is very much an important part of Euripedes' Medea, and indeed many other works written in the ancient Greek style. In this play, it follows the journey Medea makes, and not only narrates, but commentates on what is happening. Euripedes uses the Chorus as a literary device to raise certain issues, and to influence where the sympathies of the audience lie.
In the list of characters at the beginning of the play, the Chorus is stated to be a chorus of Corinthian Women. This draws the first link between them and Medea. The Chorus follows Medea on her journey through this play. They act as narrators on important occurrences in the play; however, they also act as a device Euripedes uses to influence the opinion of the audience. He does this by presenting to the audience a moral voice in the Chorus. The audience can relate to them, because the Chorus is in a neutral position in the play. They are definitely an integral part of the play, but their role is not so much to influence the actual plot of the play, but more to echo what has happened in the plot and the thoughts of the protagonists, and to suggest moral solutions the audience. The Chorus uses language which almost makes it seem that they are speaking from the perspective of the audience, and in doing this they are guiding the audience responses to what Euripedes wants it to be:
Medea, poor Medea! Your grief touches our hearts.'
Through this relationship between the Chorus and the audience, Euripedes is able to influence the audience to sympathise with Medea. In their first stasimon, a mutual suffering is shown between Medea and the Chorus:
And my own heart suffers too.'
The Chorus is used as an instrument to help the audience to understand and feel Medea's suffering, and so from this early point in the play, a sympathy is established for Medea because...