A person who gives unsolicited advice or criticism while not in control, particularly during driving.
बिना अधिकार के सलाह देने वाला व्यक्ति
English Usage: "My friend is such a backseat driver; he always tells me how to drive."
Hindi Usage: "मेरा दोस्त इतना सलाह देने वाला है; वह हमेशा मुझे ड्राइव करने के तरीके बताता है।"