 How does Zarwell feel about Bergstrom?
The floor continued its transmutation, and Zarwell sank deep into viscous depths. Zarwell grunted acknowledgment and pushed himself to his feet, apparently unaware that his shirt clung damply to his body. Zarwell was not the leader of the invaders, only a lesser figure in the rebellion. When Zarwell arrived, six months before, the vitalized area already extended three hundred miles along the coast, and sixty miles inland. Zarwell pulled his sun helmet lower, to better guard his hot, dry features. After its three-thousand-mile journey across scorched sterile rock, it sucked the moisture from a man’s body, bringing a membrane-shrinking dryness to the nostrils as it was breathed in.
 Zarwell thinks Bergstrom is an alright guy. However, Zarwell isn't interested in making friends. He just wants to retire in anonymity.
 Zarwell is afraid of Bergstrom. The dreams induced by Bergstrom's drugs grow more and more disturbing.  Zarwell is suspicious of Bergstrom. Bergstrom always seems to be uncomfortable in Zarwell's presence.  Zarwell is suspicious of Bergstrom. He's sure Bergstrom has been tampering with his memories.  Zarwell thinks Bergstrom is an alright guy. However, Zarwell isn't interested in making friends. He just wants to retire in anonymity.