Scabbard: a sheath for a sword or the like. Page 169
Chasm: a yawning fissure or deep cleft in the earth's surface; gorge. Page 176
An emerging theme a saw in this section is a crooked and evil man is trying to screw David over but he’s telling him all the things David wants to hear, like that he could have his family back. So David is having an internal conflict with himself right now trying to figure out what to do and I think this is going to affect him throughout the rest of the book.