7. For the owner, lessee, sublessee, real estate broker, assignee or managing agent of other covered housing accommodations or of land intended for the erection of any housing accommodation included under subsection 10, 11, 12, or 13 of section one, or other person having the right of ownership or possession or right to rent or lease or sell, or negotiate for the sale or lease of such land or accommodations, or any agent or employee of such a person or any organization of unit owners in a condominium or housing cooperative: (a) to refuse to rent or lease or sell or negotiate for sale or lease or otherwise to deny or withhold from any person or group of persons such accommodations or land because of race, color, religious creed, national origin, sex, gender identity, sexual orientation, which shall not include persons whose sexual orientation involves minor children as the sex object, age, genetic information, ancestry, or marital status, veteran status or membership in the armed forces, blindness, hearing impairment, or because such person possesses a trained dog guide as a consequence of blindness or hearing impairment or other handicap of such person or persons; (b) to discriminate against any person because of his race, color, religious creed, national origin, sex, gender identity, sexual orientation, which shall not include persons whose sexual orientation involves minor children as the sex object, age, genetic information, ancestry, or marital status, veteran status or membership in the armed services, blindness, or hearing impairment or other handicap, or because such person possesses a trained dog guide as a consequence of blindness or hearing impairment in the terms, conditions or privileges of such accommodations or land or the acquisition thereof, or in the