A few months ago I called one of my clients to pay my domain cost where I gave him my account login credentials and he logged in my account, added $13 that is for 1 year domain cost with his paypal account. I have paid him on another currency but after that the person asked for $7 more for service charge and I didn't pay him that for any reason.

After that event I can't login my account when I come to login it shows me a message about

"Your account has been temporarily locked due to...

My Namecheap Account is Temporarily Locked! - How to get rid of this