A gold digger is a person, usually a woman, who is primarily interested in someone's wealth and material possessions rather than their character or love. They aim to form a romantic relationship in order to benefit financially. Full definition
Publicity still for Gold Diggers of 1933 (Mervyn LeRoy, US 1933). (eastman.org)
This could be possible, but you should be careful that your new boyfriend or husband are certainly not gold diggers looking forward to a share of your wealth. (seekingcougar.com)
Mistakenly labelled as gold diggers, the sugar mommas actually thrive in a symbiotic relationship, where she will receive a lot of attention and care, which she returns in terms of money, treats and allowances. (sugarmommadatingguide.com)