Is he from Nigeria? Maybe he wants to loan you money so you can transfer millions to a Nigerian account????
Lately they’ve been from Jamaica. Hang up on them. I think there is an online place to report such fraud but I don’t know what the web address is. Other scams include someone saying that your grand child was in an accident and needs money to pay his hospital bill or to get out of jail or something.
Lowbridge knows how to deal with Nigerian scammers!