What is "mangetar"

Mangetar, meaning fiancé, is an album by Pakistani singer Imran Shaukat. It was very popular as in the video it showed a 'Mangetar' from Pakistan based on a true story it is about a man called raja mushtaq not being treated fairly by his wife and her family whom he married and came to the country for. He eventually gets sick of it and decides to leave when the family aren't around. In this video the tough life of some 'Mangetars' when they come to the UK is portrayed..