Luis Ruiz Suárez S.J. (September 21, 1913 – July 26, 2011) was a Spanish-born Macanese Jesuit priest and missionary. Father Suarez, who founded the Caritas Macau charity, and focused much of his work in Macau and southern China. His work earned him several nicknames - "Luk Ngai" in Cantonese, "Father of the Poor" and "Angel of Macau."
Luis Ruiz Suarez was born in Gijón, Asturias, Spain, on September 21, 1913. Ruiz joined the Society of Jesus, also known as the Jesuits, in 1930. The Jesuits sent him from Spain to China in 1941 as a missionary. He arrived in Beijing, where he studied Mandarin Chinese, and was then sent to Shanghai, where he studied philosophy. He was forced to cease his work due to the escalation of World War II and the Japanese occupation of China. Father Suarez resumed his work in 1945. His superiors stationed him in Xian County in Hebei province. He was arrested, briefly imprisoned and expelled from the newly formed People's Republic of China in 1949 following the Chinese Communist Revolution. While in prison, Suarez contracted typhoid before his expulsion from China. Father Suarez left China for Hong Kong, before settling in Macau in 1951.