Characters
Quite an experience to live in fear, isn't it? That's what it is to be a slave.
— Roy Batty · Blade Runner

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
Roy asks the listener to recognize slavery through the experience of fear. The pointed question makes the comparison personal rather than abstract. His words connect being controlled by someone else with the continual dread of what that power may do.
Context reviewed