An "Unsung Hero" refers to a person who performs significant acts of kindness or bravery without receiving recognition or praise. These individuals often work behind the scenes, contributing to their communities or helping others in need, yet their efforts go unnoticed. Their selflessness and dedication can have a profound impact on the lives of those around them. Many unsung heroes can be found in various fields, such as healthcare, education, and community service. For example, a teacher who stays late to help struggling students or a nurse who goes above and beyond for patients exemplifies the spirit of an unsung hero. Their contributions, though often overlooked, are vital to the well-being of society.