Who is called mother of poor?

Saint Teresa of Calcutta, also known as Mother Teresa (26 August 1910 – 5 September 1997), was a Roman Catholic religious sister and missionary. She is best known for her work in India, where she founded the Missionaries of Charity, a Roman Catholic religious congregation. Mother Teresa received numerous honours, including the Nobel Peace Prize in 1979. She was canonized as a Catholic saint on 4 September 2016.

Mother Teresa is considered a symbol of compassion and charity, and is referred to as the "Mother of the Poor" due to her tireless work among the poorest of the poor, her dedication to serving the sick and destitute, and her advocacy on behalf of the voiceless. She is remembered as a woman who lived her life in the service of others and exemplified the teachings of Jesus Christ.