A personal flotation device worn to provide buoyancy in water.

A metaphorical term for something that provides safety in a risky situation.

जोखिमपूर्ण स्थिति में सुरक्षा प्रदान करने वाली वस्तु।

English Usage: The insurance policy was a life jacket for their financial security.

Hindi Usage: बीमा पॉलिसी उनकी वित्तीय सुरक्षा के लिए एक जीवन जैकेट थी।