Yes, discriminated is a verb.
It can also be an adjective.
A verb is a word that describes an action (run, walk, etc), a state of being (exist, stand, etc) or occurrence (happen, become, etc).
An adjective is a word that describes a noun (the car is blue / it was a cold day / etc).
Discriminated is a past tense verb. It can also be a Participle: He was discriminated (here used to form the Passive Voice). When it precedes a noun, it becomes an Attribute (becoming similar to an adjective).
They discriminated because punishments for crimes were unequal.
They discriminated in that punishments for crimes were not the same for the Chinese.
They discriminated in that punishments for crimes were not the same for the Chinese.
Generally they are discriminated in areas like Rajesthan, Harayana etc..
The past tense is discriminated.
Being discriminated against for your religion
right to be treated equally and not discriminated against
found high paying jobs
Germans were discriminated in America during the times of WWI and WWII because they were the enemy at the time.
Cesar Chavez was discriminated against for several reasons. It would be almost impossible for a Latino farm worker not to have been discriminated against, especially during his time.
You have to be more specific as to when, because various groups have been discriminated against at different times. Chinese immigrants were discriminated against on the west coast at one time, as were Catholic immigrants.