A duty to act is imposed on those whose innocent conduct has injured another and left him helpless and in danger of further harm.

Duty To Act

A legal obligation that requires a person to take a certain action or perform a certain duty, often in emergency situations to avoid liability for harm caused by nonaction.

Innocent Conduct

Actions or behavior that are performed without malice or intent to harm, often considered in legal contexts to determine culpability or liability.

Further Harm

Additional injury or damage that occurs or may occur as a consequence of an initial act or occurrence.