Should people who contribute to making life enjoyable, like entertainers and athletes,be put in the priority group?

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1- From a utilitarian point of view, who do you think should be in the priority group? Also From a justice as fairness point of view, who should be in the priority group?

2-Should people who make society flourish through their economic contributions, such as the employees of Google or Wall Street firms, be put in the priority group? Also Should people who contribute to making life enjoyable, like entertainers and athletes,be put in the priority group?

3- Since happiness is extremely subjective how can one objectively measure and assess happiness? Do you agree with JS Mill that happiness can be measured? Is money a good proxy for happiness?