kddani is correct, up to a certain extent. Title VII only applies to employers that have 15 or more employees.
However, an individual, organization or agency can file a EEOC violation charge on behalf of an aggrieved individual in order to protect the person's identity. The EEOC allows this to encourage people who would would otherwise be afraid of retaliation to step forward and blow the whistle.
BTW, here's a good link about employment discrimination: http://www.eeoc.gov/facts/qanda.html
Just another .02
Edited to add link