Awakening by Isabel Wroth

Her mission was simple: Gather as much intelligence as possible to find planets and people who would welcome the Matavei.
Matav was too close to their sun, the radiation levels rising dangerously higher with each passing year.
If a new home is not found, her people and their way of life will cease to be.
Eager to serve, eager to explore, Iliara steps into the stasis pod which will house and protect her physical body, while she opens her etheric eyes to the wonders of the universe.
For hundreds of years, Ilaria has traveled unseen through the stars, visiting planets and people, gathering intelligence and alliances.
Her Awakening, the moment in which her consciousness returns to her physical body, was supposed to be a gentle, painless experience.
Instead, Ilaria Awakens to find herself a slave, and her people long gone.