Sentence:  During that period, the prospective employee is assessed by the <WSD>househead</WSD> and the rest of the staff. But at the end of the three-day observation period the <WSD>househead</WSD> is able to make a recommendation to the supervisor as to whether the prospective employee should be hired or not. 
Meaning of the word marked with <WSD> tags:  In an organization that is divided into houses, the person with authority over and responsibility for a house.