w niekorzystnej sytuacji in inglese:

Children living in slums and shantytowns are the most disadvantaged and vulnerable.

disadvantaged children

He may have been disadvantaged when he was young, but he's highly successful now.

Those at the lower end of the alphabet are disadvantaged by their position when things are arranged in alphabetical order. They certainly have to wait longer, at any rate.

Many disabled people of all stripes are further disadvantaged by a culture that fails to understand, let alone meet, their needs.