Ruchrai - a member of the Communist Party, a strong Red Army soldier, brave, witty, good at leading and organizing the masses, he united the vast number of workers and educators well in the revolutionary struggle He has taught countless young people, and Paul Korchagin grew up deeply under his education and training.

Dong Niya - she is the daughter of a forest officer and the lover of Paul Korchagin in his childhood. He once introduced the novel "Gadfly" to Paul Korchagin. This book inspired his thinking to a certain extent. She met Paul Korchagin in an accidental encounter. Because of his stubbornness and enthusiasm, she unconsciously liked him and loved him. However, due to her class background, she did not participate in the great struggle to defend the Soviet power like many young people at that time.

Aljem - he is Paul Korchagin's brother, a train driver, he has the noble qualities of the working class, and fought unremittingly against the enemy. He is the best in Ruhrai assistant.