Q: How can i activate my iphone with different apple i.d or icloud i.d?

Maybe this article will help you How to erase your iOS device and then set it up as a new device or restore it from backups - Apple Support

Make sure your friend has disabled activation lock for this phone. It may be helpful for you & your friend to read this article. It's helped me before:

Turn off Find My iPhone Activation Lock - Apple Support

Here is what you friend needs to do (to protect him as well as help you):

What to do before selling or giving away your iPhone, iPad, or iPod touch - Apple Support