The source of your income, as long as it is legal and taxed, doesnu2019t matter for sponsorship. You need to be able to provide 2 or 3 yearsu2023 worth of tax forms to prove you are capable of providing for this person. And it goes without saying, you can not sponsor a friend, cousin, niece etc. The person you are sponsoring should be an immediate member of your family, like a parent or child or a sibling although sibling processing will take much longer