This is the 971st most frequent Latvian word.
juris
"Juris" is a common Latvian male given name.
Here, 'Jurijs' is used as a proper noun, a name of a person, functioning as the subject of the sentence.
Jurijs ir mans labākais draugs.
Jurijs is my best friend.
In this sentence, 'Jurija' is the genitive case of the name 'Jurijs', showing possession.
Man patīk Jurija spēlētais ģitāras skaņdarbs.
I like the guitar piece played by Jurijs.
Here, 'Juri' is the accusative/locative case of 'Jurijs', indicating the object of the meeting event.