Answer:
Discriminating a group of people on basis of specific characteristics.
Step-by-step explanation:
Differential treatment means that treating a group of people differently due to their specific characteristics that they are unable to change. It is unlawful for an employer to indulge in this kind of treatment. There are some characteristics that are protected in US and an employer cannot discriminate on basis of these. The characteristics are race, national origin, gender, disability, sexual orientation and pregnancy status. As per the federal laws, employers are prohibited from discriminating during interviewing, offering promotions, terminating employees and giving bonuses. It can also occur in society, family, neighbourhood and in any organisation.