Read the following scenario and answer the question that follows:

Sibusiso is employed as an estate agent at New Horizons Property Group (Pty) Ltd. During a marketing campaign, Sibusiso overhears one of the Directors of the company, along with some of his colleagues, making derogatory remarks about his sexual orientation. Sibusiso is very upset by what he hears and approaches you for legal advice.

To which category of fundamental rights does Sibusiso's infringed fundamental right belong?