This is the 16998th most frequent Russian word.
социальному
"Социальному" means "to social" or "to societal" in the dative case.
In this sentence, 'социальному' is used as an adjective in the dative case, modifying 'развитию', and refers to development related to society.
Государство уделяет внимание социальному развитию страны.
The government pays attention to the social development of the country.
Here, 'социальному' serves as an adjective in the dative case, describing 'равенству', implying equality related to social aspects.
Мы стремимся к социальному равенству в обществе.
We strive for social equality in society.
In this example, 'социальному' is positioned as an attributive adjective in the dative case, paired with 'служению', highlighting service directed towards society.