Who called from 6617484073

They started texting me and asking me about someone else

Claim to be from overseas. Wanting to find love. Been emailing for awhile. Now states wants to meet. Getting travel visa, and physical. And says if I pay over $500 it can be my contribution to our meeting.
Don't know that well to just give that type of money to meet someone..

called me very late at night . They are registered on ebay as AIBOCN-Shop . They do not speak english well

Called to tell me someone is trying to hack my windows/Microsoft account. Can't speak English and I couldn't understand him.

Says name is Michale saying he loves me and going to kill me. I dont know this person at all. Going on for two weeks now