Explain the difference between sexual harassment, gender discrimination, and sexual orientation discrimination, as those terms are used legally

Sexual harassment is when you make any unwanted sexual based comments or actions towards another person.

Gender discrimination is when you treat someone as unequal based solely on their gender.

Sexual Orientation Discrimination is when you treat someone as unequal based solely on the subject of their Sexual Orientation (Gay, Lesbian, Bisexual, Straight etc)