This is the 4015th most frequent Polish word.
witold
"Witold" is a Polish male given name.
In this sentence, 'Witold' is used as a proper noun referring to a specific person by name.
Witold jest moim najlepszym przyjacielem.
Witold is my best friend.
Here, 'Witold' again serves as a proper noun, identifying a person with a specific occupation and attribute.
Młody malarz Witold był znany ze swoich abstrakcyjnych obrazów.
The young painter Witold was known for his abstract paintings.
In this context, 'Witold' is the formal address of the person, with 'pan' indicating respect and 'Witoldem' being the instrumental form of the proper noun.