Who Sends Brienne on an Errand to Take Jaime Back to King's Landing?

Catelyn Stark Sends Brienne on a Mission

Brienne is sent by Catelyn Stark to take Jaime Lannister back to King's Landing in the 'A Song of Ice and Fire' series.

Final answer:

Brienne is sent by Catelyn Stark to take Jaime Lannister back to King's Landing in the 'A Song of Ice and Fire' series.

Explanation:

The character Brienne is sent on her errand by Catelyn Stark in the context of the fantasy series 'A Song of Ice and Fire,' written by George R.R. Martin. This errand is a pivotal part in the story where Brienne, who is a noble warrior known for her dedication and skill, is tasked with escorting Jaime Lannister, known as the Kingslayer, back to King's Landing.

This mission is a significant plot point and underscores themes of honor, loyalty, and the complexities of character redemption within the series.