Maerin
From Tar Valon Library
A similar entry appears in the Wheel of Time Companion confirming the information available in the main story arc.
Unless stated otherwise, all information herein is taken from A Memory of Light, Chapter 18.
Maerin was an Aes Sedai of the Green Ajah fighting in Kandor. Egwene took her tent as one of her nightly rotations designed to keep her location secret.