No. If someone is not an authorized signer or an account owner, they should not be permitted to withdraw money from your account. Is it sometimes done through accident (e.g., teller mistake) or fraud? Yes.
It IS their account. The only way to keep the money in an account is to sign up with them for an account that requires both signatures for withdrawal. Otherwise, the money will be used.
Yes. A Power of Attorney gives the holder of the same, unlimited power in terms of carrying out any kind of activities on the issuer's name. The holder of the power of attorney can act as a proxy to...