A:

• The plaintiff belongs to a protected group;
  

  The plaintiff has been subject to unwelcome harassment;

  The harassment must have been based on a protected characteristic of the employee;

  The harassment was sufficiently severe or pervasive to alter terms and conditions of the employment and create a

   

  discriminatorily abusive work environment; and

  The employer is responsible for the abusive environment under either theory of vicarious or direct liability.