What are the names of people who helped others?

Throughout history, many individuals have dedicated their lives to helping others. Notable figures include Mother Teresa, known for her humanitarian work with the poor in India; Martin Luther King Jr., who fought for civil rights and social justice; and Mahatma Gandhi, who promoted nonviolent resistance for India's independence. More recently, individuals like Malala Yousafzai advocate for education and women's rights, inspiring countless others to effect positive change.