My phone is hacked can anyone please help to resolve

Do you share an Apple ID with this friend? All of that information is in iCloud, which is accessed with your Apple ID. Either that, or they have hacked your Apple ID, which is something no “friend” would ever do. If you suspect that see→If you think your Apple ID has been compromised - Apple Support and get a new friend.

A non-jailbroken phone cannot be hacked. Why do you think your phone was hacked?