This is the 16756th most frequent Russian word.
слепому
"To the blind (person)."
The word "слепому" is used in the dative case to indicate to whom the help is directed—here, to the blind person.
Слепому человеку нужна помощь в переходе через дорогу.
A blind person needs help crossing the road.
The word "слепому" is used in the dative case to denote the beneficiary of the action—here, the blind old man.
Подарок был предназначен слепому старику.
The gift was intended for the blind old man.
The word "слепому" is used in the dative case to frame a hypothetical situation or convey a general truth—here, implying that the unfairness is obvious to anyone, even to someone blind.