ANSWER: John should work in the Accommodations sector as a tour manager
EXPLANATIONS: The accommodation sector will fetch John more money, and will give him more chances of becoming a professional in his area of discipline. This sector helps to allocate Accommodation for travellers, who are on a tour or official reasons.
As a tour manager, he will be able to advise his clients on the hotel accommodation to choose, and the beautiful places to visit while their are on a tour. This will help his clients to be able to make a selection that is equivalent to the money their have.
With such career, John will be able to practice hospitality and tourism at the same time, which will increase his experience in the career he has chosen.