The Act prohibits discrimination in the areas of employment, real estate (housing) transactions, access to financial credit, and public accommodations. Editor's notes appear in italics and include cross-references to the codified version of Title VII.The Illinois Human Rights Act prohibits Employees and Nonemployees from engaging in sexual harassment. • Employees include co-workers, supervisors and managers. Harassment. • The Illinois Human Rights Act prohibits Employees and Nonemployees from engaging in sexual harassment. In Illinois, a hostile work environment is a form of unlawful harassment under state and federal law. Title VII and other federal employment statutes apply to employers with at least 15 employees. The courts have determined that sexual harassment is a form of discrimination under Title VII of the U.S. Civil Rights Act of 1964, as amended in 1991. The courts have determined that sexual harassment is a form of discrimination under Title VII of the U.S. Civil Rights Act of 1964, as amended in 1991. Employers and their employees can't aid, abet, incite, compel, or coerce unlawful discriminatory acts or try to do so.