discriminate against (someone or something)
To impose limitations on a particular person or group for prejudicial reasons. Those who continue to discriminate against people of color will continue to meet resistance from those who believe in equality.
discriminate against someone or something
to single out a type of person or thing for special negative treatment or denial of equal treatment; to act in a prejudicial manner against someone or something. This law discriminates against short people. You discriminate against people in wheelchairs.