Failed to get the nuance of " I want to know if you can disappoint another to be true to yourself"

Does it mean " I want to know if you, for the purpose of keeping true to yourself, you would like to risk disappointing another people"?


Context:

It doesn't interest me if the story you are telling me is true. I want to know if you can disappoint another to be true to yourself; if you can bear the accusation of betrayal and not betray your own soul; if you can be faithless and therefore trustworthy.