we just bought this iphone and cant get the apple id. We don't know the email and password and we cant get ahold of the original owner

Each Apple device is linked/associated with an Apple ID of the person who did the setup.

Activation Lock prevents anyone who is not the owner from using this iPhone.

To unlock the Phone, you need the Apple ID and password of the previous owner, that were used during set up.

Apple cannot help you.

See the following Apple articles:

Activation Lock for iPhone, iPad, and iPod touch

Activation Lock for iPhone, iPad, and iPod touch - Apple Support

How to remove Activation Lock

How to remove Activation Lock – Apple Support (UK)

Sounds like you were sold a lemon (or potentially a lost or stolen phone).

Only the existing AppleID owner can remove the AppleID and the lock, making the phone unusable until you can find the original owner.