How to complain about discriminatory job ad?

A job ad was published in the print news asking specifically for a man (see photo below). The Cayman Labour Law states that discrimination based on sex is illegal yet this company makes being male the first requirement to fill the position. Clearly this is wrong and illegal. But what agency polices this kind of behaviour? Who would I be able to report this to and what kind of disciplinary action would the company be subject to?

Read Auntie’s answer and comment on CNS Local Life