Assistant Required from Karachi, Pakistan

We are starting a new brand of gym and sports wear. We need need an assistant to help us in several admin tasks as well as research and social media management. Tasks cannot be specifically defined because there might be miscellaneous tasks. We need someone available 4 hours a day and this position is monthly based. We will be having a meeting once a week at our office so it has to be attended by you physically and the rest of work can be done remotely. Thanks