Why do they advertise it key holder? Is it glorified name for sales associate?
Key holder is someone who is given a key and the authority to have access to the back door, opening and closing of the store etc. On occasion you would be a shift supervisor.
Casual, as long as it is appropriate for the work place you are actually able to wear any clothing you would like here.
About a week to two weeks. you have to complete a e learning course that is really simple and educates you about the product they sell