Blackwoman

A stereotype of women which is common in US is the portrayal of a black woman. This stereotype is not prominent or almost absent in India, but was very common in US.
Usually the black women are portrayed as domestic helps in homes in commercials in US. They may also be represented in similar roles like a cleaning lady at airports, restaurants etc.
This portrayal of black woman as somebody who does only menial work is rooted in US slave history where the blacks did not have civil rights. It puts a notion in the minds of the consumers that the black woman can only be in such positions and can never rise beyond it.
The characteristics portrayed by the woman in this role are that of obedience, care for her employer. She accepts whatever said by her employer and does everything to help him or her.
The advertisements generally of things of domestic use like detergent or cleaning soaps etc. It shows the black woman in the role of domestic help agreeing with her mistress that the detergent really has the qualities which her mistress believes in.

One of the ads shown in India which had this stereotype was a Saint Gobain ad in which a black woman was shown as a cleaning lady in a restaurant