This is the 16073rd most frequent Polish word.
ubezpieczonego
"Ubezpieczonego" means "of the insured."
As an adjective, 'ubezpieczonego' is used to describe something belonging to 'the insured person' in a possessive manner.
W systemie prawnym ubezpieczonego, jego prawa muszą być jasno określone.
In the insured person's legal system, his or her rights must be clearly defined.
Here, 'ubezpieczonego' acts as a noun in the genitive case, referring directly to 'the insured'.
Dokumenty dotyczące ubezpieczonego muszą być wypełnione dokładnie.
The documents related to the insured must be filled out accurately.
In this context, 'ubezpieczonego' is the accusative form of the noun, receiving the action of the verb.