This is the 680th most frequent Lithuanian word.
valstiečių
"Valstiečių" means "of the peasants" or "farmers'."
Here, the word "valstiečių" is used as a possessive plural noun modifying "gyvenimas" (life), indicating that the life belongs to the peasants.
Valstiečių gyvenimas kaime yra sudėtingas.
The life of peasants in the countryside is challenging.
In this sentence, "valstiečių" serves as part of the proper noun "Valstiečių partija," referring to a political party.
Valstiečių partija laimėjo rinkimus.
The Peasant Party won the elections.
Here, "valstiečių" is again in the possessive case and describes "papročius" (customs), attributing them to the peasants.