At five or six years old, Thor's still just a young'un with a full life ahead of him. While he might not be a riding horse, he'd make a great liberty horse. Liberty horses are trained to perform without being physically connected to the trainer or rider by a lead rope or reins.
Hope’s journey to the Sanctuary was a long and difficult one. Like many of Mustang Valley Sanctuary’s herd, Hope was rescued from a kill pen, and she’s fearful of new people and experiences, which suggests that she may have been mistreated in the past.