This is the 8079th most frequent Russian word.
курманов
"Курманов" is a Russian surname and does not have a standalone meaning in English.
In this sentence 'Курманов' refers to a proper noun, likely the surname of a person.
Курманов приезжает сегодня для участия в конференции.
Kurmanov is arriving today to participate in the conference.
'Курманов' is used as a surname to specify the person they met.
Мы встретились с Курмановым во время поездки в Алма-Ату.
We met with Kurmanov during the trip to Almaty.
Here 'Курманов' refers to a person, indicating their authorship or involvement in research.