A manner of speaking in which one emphasizes that a person is a person, rather than emphasizing the quality of immediate interest. For example, instead of "I train dogs for the blind," or even "I train dogs for blind people," you would say "I train dogs for people who are blind."

There is no agreement on the value of people-first language, and it is only tentatively accepted in American English. I personally think "blind people" is a good compromise.

Of course, why the people who are blind need dogs that ride on unicycles is a question that you're going to have to answer for us.