This is the 8170th most frequent Russian word.
лопес
The word "лопес" does not exist as a standard Russian word; it may refer to the surname "Lopez" written phonetically in Cyrillic.
In this sentence, 'Лопес' refers to a proper noun, likely a surname, used to identify a person who arrived.
Лопес приехал в Москву этим летом.
Lopez arrived in Moscow this summer.
Here, 'Лопес' is used as a proper noun referring to a specific person that the speaker is inquiring about.
Ты знаешь Лопеса?
Do you know Lopez?
In this case, 'Лопес' is used to identify a well-known individual, establishing their profession as a singer.