By the lights of virtue ethics, if you rescue someone from disaster solely out of a sense of duty, then your action is:

Then your action is " Morally deficient".

A man who is morally deficient is somebody who strolls the legitimate line remaining in the limit of the law yet wavers on the edge of perpetrating a wrongdoing against someone else making their life a "legalistic" one rather than an "moral" one, which if genuinely lived would require no laws to apply.