What does the word khastegar mean?

khastegar : proposer, a man who is willing to marry a girl or wants to propose,

[You have a suitor," Khadija said, "A Khastegar. A suitor. His name is rasheed, he is a friend of a business acquaintance of your father's. He's a Pashtun, from Kandahar originally, but he lives in Kabul, in the Deh-Mazang district, in a two-story house that he owns"… "Now, be reasonable, Mariam, you can't spend the rest of your life here… you have to move on."]