Question: Where did Spanish Jesuit Luis Ruiz Suárez do his missionary work? 

Context paragraphs:
Mario Ruiz Armengol: Mario Ruiz Armengol (known as "Mayito" or "Mister Harmony") (March 14, 1914 or 1911 Veracruz, Mexico, – December 22, 2002 Cancun, Mexico), was a Mexican pianist, composer, arranger, conductor and music teacher.  He was the son of pianist and conductor Ismael Ruiz Suárez and Rosa Armengol.

Luis Ruiz Suárez: 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."

James Henderson (surgeon): James Henderson, M.D. (1829–1865) was a British physician, surgeon, and author.  After attending a meeting of the Edinburgh Medical Missionary Society (EMMS International) on 18 December 1856, he decided to become a medical missionary.  In these early years of his medical missionary work training, Henderson evidently displayed his religious values by emphasizing the importance for students who were studying medicine at the time to become Christians and medical missionaries.  During his time in Edinburgh Medical School, he was described as being a “uniformly regular, punctual, and diligent; conscientious, zealous, and laborious; kind to the poor, and self-denying [student].”  Starting his notable medical missionary work in the mid-nineteenth century, Henderson worked in the London Missionary Society, where he took charge of the Chinese Hospital, which is called Renji Hospital.  Henderson played a critical role in educating about surgical techniques, sanitation, and chloroform as well as making overall improvements in the hospital and surrounding environment.

Casa Ricci Social Services: Casa Ricci Social Services began in 1951 when Spanish Jesuit Luis Ruiz Suárez opened the Jesuit residence in Macau, China, to war refugees.  With their resettlement Ruiz addressed the situation of those suffering from leprosy, and later those with AIDS.

Gregorious de Cespedes: Gregorious de Cespedes was a Spanish Jesuit priest who went to Korea to do missionary work.  He arrived in Busan on 27 December 1593.  He accompanied the forces commanded by Konishi Yukinaga, himself a Kirishitan "daimyō", and proselytized among the Japanese soldiers during the first Japanese invasion of Korea under Toyotomi Hideyoshi.  There is little evidence that he interacted directly with the Korean population, but it is believed that he did proselytize among Koreans who were being held captive by the Japanese.

José de Anchieta: José de Anchieta y Díaz de Clavijo, S.J. (19 March 1534 – 9 June 1597) was a Spanish Jesuit missionary to the Portuguese colony of Brazil in the second half of the 16th century.  A highly influential figure in Brazil's history in the first century after its European discovery, Anchieta was one of the founders of São Paulo in 1554 and of Rio de Janeiro in 1565.  He is the first playwright, the first grammarian and the first poet born in the Canary Islands, and the father of Brazilian literature.  Anchieta was also involved in the religious instruction and conversion to the Catholic faith of the Indian population.  His efforts along with those of another Jesuit missionary, Manuel da Nóbrega, at Indian pacification were crucial to the establishment of stable colonial settlements in the colony.

Jesuit's bark: Jesuit's Bark, also known as cinchona bark, as Peruvian Bark, and as China Bark, is a former name of the most celebrated specific remedy for all forms of malaria.  It is so named because it was obtained from the bark of several species of the genus "Cinchona", of the Rubiaceae family, that have been discovered at different times and are indigenous in the Western Andes of South America and were first described and introduced by Jesuit priests who did missionary work in Peru.  Other terms referring to this preparation and its source were "Jesuit's Tree", "Jesuit's Powder" and "Pulvis Patrum".

Anna E. Hall: Anna E. Hall (March 1, 1870 – March 6, 1964) was an African American Methodist deaconess and missionary based in Bainbridge, Georgia.  She traveled across the South to complete her missionary training for 10 years after her time at Clark Atlanta University.  Her most recognized missionary work was her travels to Monrovia, Liberia located in West Africa where she taught the Kru people.  She also had a long history of missionary work at the Julia A. Stewart Memorial Girls Home and School, Garraway Mission where she became an influential figure over a period of twenty four years.

Seymour Mills Spencer: The Reverend Seymour Mills Spencer (March 27, 1812 – April 30, 1898) was born in Hartford, Connecticut.  He and his wife Ellen Stanley Spencer followed an ambition to carry out the role of missionary work in New Zealand.  He trained for missionary work in England at the Church Missionary Society College, Islington.  The Church Missionary Society (CMS) was an evangelical organisation that was part of the Church of England.

Pedro Calungsod: Saint Pedro Calungsod (Latin: "Petrus Calungsod" , Italian: "Pietro Calungsod" ; July 21, 1654 – April 2, 1672), also known as Peter Calungsod and Pedro Calonsor, was a Roman Catholic Filipino migrant, sacristan and missionary catechist who, along with the Spanish Jesuit missionary Diego Luis de San Vitores, suffered religious persecution and martyrdom in Guam for their missionary work in 1672.

Supporting paragraphs: Casa Ricci Social Services Luis Ruiz Suárez
Answer: in Macau and southern China