What nationality does the person in green belong to?

Chuanqing people are not one of the 56 ethnic groups. On August 28th, 2003, the document 1 18, "Reply on the Issues of Filling in Ethnic Identity Cards of Gejiaren and Qing Chuan Residents in Guizhou Province", stated that "in order to safeguard the overall situation of national unity and social stability, Gejiaren and Chuanqing people in your province should be treated as ethnic minorities, and the filling method of ethnic elements is the same as before". Chuanqing people, also known as Chuanqing people and Chuanqing people, are a controversial ethnic group and do not belong to the list of 56 ethnic minorities in China. In some areas, people wearing green clothes are also called "benefiting the people". They don't have their own proper names, and sometimes they are also called "Dajiaozi". Chuanqing people are descendants of Han soldiers and local Tu people who marched south in Ming Dynasty. Their traditional costumes are still blue, and the official language commonly used in Guizhou is widely used. Chuanqing people demand to be recognized as a minority. For example, Qing Chuan in Guizhou and Liu Jia in Guangxi. The custom of wearing green clothes is 1. People who wear green clothes like to wear thin-eared sandals or anti-cloud hook nose shoes, with blue straps on their feet, three clothes, two sleeves with lace sleeves, a belt, hook earrings and three heads. 2, marriage customs wear green People's marriage is monogamous. Marriage of the same clan or surname is prohibited. It also maintains the custom of "cousins get married" and the transmission system of brothers and sisters. There are many rules in the marriage customs of Chuanqing people. From matchmaking to returning home after marriage, there are usually eighteen kinds of etiquette among the people. 3. People who believe in wearing green believe that mandrill is a totem, carving images on many daily necessities to make it float. Monkeys, as animals related to the nation, are not allowed to be mentioned casually, and insult is taboo, otherwise it will be regarded as disrespect and humiliation to ancestors. The above content refers to