A person who habitually adopts a slouched position or has poor posture.

झुका हुआ व्यक्ति

English Usage: The teacher noticed that the sloucher in the back row was not paying attention.

Hindi Usage: शिक्षक ने देखा कि पिछले पंक्ति में झुका हुआ व्यक्ति ध्यान नहीं दे रहा था।