Is the rural teacher in the documentary a performer?

No.

According to the query on Baidu Encyclopedia, documentaries are based on real life as the creative material, real people and real events as the objects of expression, and are artistically processed and displayed, with the essence of showing the truth, and using the truth to trigger The art form of film or television that people think about. The core of documentary is truth. This film captures real cases, so the rural teachers in the documentary are not performers, otherwise it wouldn't be called a documentary.

The birth of film began with the creation of documentaries. Experimental films such as "The Gate of the Factory" and "The Train Arrives at the Station" shot by French Louis Lumière in 1895 are all documentaries in nature. The shooting of Chinese documentary films began in the late 19th and early 20th centuries, with the first one being "Dingjun Mountain" in 1905. Some of the earliest shots, including social scenes in the late Qing Dynasty, historical figures Li Hongzhang, etc., were taken by foreign photographers. Documentaries can be divided into film documentaries and television documentaries.