Xena is accompanied by Gabrielle ( played by Renee O'Connor ) , who during the series changes from a simple farm girl into an Amazon warrior and Xena 's comrade-in-arms ; her initial naïveté helps to balance Xena and assists her in recognizing and pursuing the `` greater good '' .
Gabrielle ( Renee O'Connor ) becomes Xena 's greatest friend , her initial naïveté helps to balance Xena and helps her in seeing and fighting for the `` greater good '' .