When it comes to iCloud accounts, security is paramount. If you find yourself in a situation where you need to sign out of someone else's iCloud without their password, there are a few steps you can take to ensure you do so safely and securely.

Context:

Signing out of someone else's iCloud account without their password is considered a breach of security and privacy. However, there are scenarios where this may be necessary, such as if you have access to the device but not the password, or if the person is unable to log out themselves.

Steps to Safely Sign Out:

1. Access the Device: Ensure you have physical access to the device that is currently logged into the iCloud account.
2. Go to Settings: Open the device's Settings app and navigate to the iCloud section.
3. Tap on the Account Name: Look for the account name at the top of the iCloud settings and tap on it.
4. Sign Out: Scroll to the bottom of the account settings and select the 'Sign Out' option. You may be prompted to enter the Apple ID password, but if you do not have it, you can tap on 'Forgot Apple ID or Password' and follow the on-screen instructions.
5. Confirm Sign Out: Confirm that you want to sign out of the iCloud account when prompted.
6. Notify the Owner: Inform the owner of the device that you have signed out of their iCloud account for transparency and security.

It is important to note that signing out of someone else's iCloud account without their permission may have legal implications and should only be done in genuine emergency situations. Always seek the owner's consent if possible.