It is true that where there is no room for choice on the part of another, trust cannot be at issue. Yet it can be at issue when I am quite confident of your choice of action. In a particular context, it makes sense to say I trust most the person I think most likely to act in a certain way, and I trust least the person I think least likely to act that way.

QUESTION: Distinguishes trust from reliance on predictability—worth probing where the boundary actually lies.

Russell Hardin, Trust and Trustworthiness, loc. 947