In the Philippines there is a phrase of crab mentality used a lot in reference to some of the things people get upto. I think the envy side comes from a change in status amongst people from the same background and upbringing. E.g. marrying a foreigner and going from a shack to a concrete house. It stands out in the old neighbourhood and you will get those that are happy in what you have achieved but also the odd person who will love to run you down given the opportunity.
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