Portraits revealed through your current reading position.
The earnest Preservation biologist instinctively defends Murderbot's personhood even during a dangerous hostage standoff.
Ratthi is a Preservation biologist who survived the GrayCris conspiracy alongside Murderbot and remains part of the wider survey team. During the raider attack he is away from the exposed observation deck but present on the facility's communications.
When the raider leader recoils at Murderbot's human appearance and calls it a thing, Ratthi breaks into the loudspeaker exchange to insist that the SecUnit is a person. Overse immediately tries to pull him off the comm, but his poorly timed intervention captures the uncomplicated loyalty that Preservation's people extend to Murderbot even when it would prefer everyone to concentrate on surviving.
Ratthi is an adult man whose features and build remain unspecified. He wears practical civilian survey clothing, previously including a soft gray jacket bearing a survey logo.
Ratthi is a member of the Preservation survey and an outspoken ally of Murderbot. His instinctive defense of its humanity contrasts with Thiago's suspicion and the raiders' fear.
Also appears in books you've already read — spoiler-safe to their endings: