mohammad nasser rehiab graduated from the faculty of language and literature. university.ul and professor of persian language at herat university and was one of the literary figures of afghanistan. master pathfinder is a special character and being different in several ways. one is that he is one of the academic figures of the country, and among the few figures who have been in the country for almost 30 years and are engaged in service, the figures who know today's literature are familiar with him and have criticism and analysis about him. this feature it was also very noticeable in his work and it shows itself in his works. professor rahiab was always concerned about the promotion and revival of persian language and literature throughout his professional life. the persian language, which is our mother tongue, needs to be developed more and more to become a scientific language. many of mohammad nasser rehiab's researches at the national and international level have actually raised the first place from a part of university or academic literature or our textbook, and for thi