I was given an I pad from another user and I don’t know his I’d or password

The person who gave you the iPad needs to do the steps

in this link:

What to do before you sell, give away or trade in your Apple Watch

Once completed, you will be able to sign into the iPad using

your own AppleID and passcode.

Apps and other downloads are forever tied to the AppleID used

to acquire such items.

You will need to contact the previous owner and have them use the following instructions: What to do before you sell, give away, or trade in your iPhone, iPad, or iPod touch - Apple Support