Some people will think you owe them something merely because you exist. Merely because you have something they want. Merely because they have the ability to insist that you owe them.
They will insist that you owe them your time, money, energy, connections, gratitude, etc. Even if you don’t know them. Even if they’re just now learning of your existence.
Some people will need your help, even if they have nothing to offer in return. Help the ones you can. But beware of those who have the ability and the means to do something for themselves but instead channel their energy into getting you to do it for them for practically nothing.