Final answer:
Equiano saw the portrait in his first white master's home as a symbol of vanity and self-importance, and possibly a hidden darkness or inner turmoil.
Step-by-step explanation:
Equiano thought of the portrait in his first white master's home as being a symbol of the man's vanity and self-importance. He describes the painter looking at the portrait with pleasure before suddenly starting up and placing his fingers on his closed eyes as if trying to hold onto a dream. Equiano's description suggests that the portrait reflected the master's desire for admiration and status, but also hinted at a hidden darkness or inner turmoil.