I was sold an iPhone that I guess is lockedwith apple i D

If “unlocked” refers to Activation Lock, the iPhone will remain useless forever without the original owner’s assistance.

How to remove Activation Lock - Apple Support

If “unlocked” refers to carrier lock, the original carrier would have to unlock it.

Accept the fact that you got scammed. The phone is of no use to you, so you might as well turn it into the police........(the phone was likely stolen).......or recycle the phone.

Never a good idea to buy a used phone.

What is the message that you see on the iPhone's screen?

If it is Activation Lock, return the phone immediately for a refund.