This is the 575th most frequent Russian word.
молодежи
"Молодежи" means "youth" or "young people" in English.
In this sentence, 'молодежи' is in the dative case and refers to a collective noun meaning 'youth' or 'young people', indicating that the youth is the indirect object of the sentence.
Молодежи в этом городе нравится организовывать мероприятия.
The youth in this city enjoys organizing events.
Here, 'молодежи' is in the genitive case, showing possession or relation, meaning 'of the youth'.
У молодежи свои взгляды на жизнь.
The youth have their own views on life.
In this context, 'молодежи' is in the genitive case to describe groups consisting of youth.