This is the 9122nd most frequent Russian word.
саули
It seems "саули" may not be a standard Russian word. Could you clarify or check for a possible typo?
In this sentence, 'саули' is used as a proper noun representing a person's name, Sauli.
Саули приехал из Финляндии вчера.
Sauli arrived from Finland yesterday.
Here, 'саули' again refers to a person's name, Sauli, who is the subject performing the action.
Саули финансировал издание этой книги.
Sauli financed the publication of this book.
In this sentence, 'саули' is the source of the statement, indicating a person named Sauli sharing information.