Shopify store customer service agent

I am looking for someone with customer service and experience in Shopify e-commerce store, to help manage some aspect of my Shopify shop.

Your primary daily task will be a "customer service work". Responding to customer order inquires emails.

Other task will include,

Dealing with orders and suppliers
Facebook fan page moderator
Facebook adverts setup and campaign managements
Experience is not necessarily but a good "customer service" knowledge and good command of English language is essential.
This work is full time work 8 hours a day 40 hours + a week.
You will be require to work during office hours (UK time)
Please answer this question in the first paragraph in your reply. Mention ONE "primary daily task" required for this project?

Look forward to working with you in long term relationship.

Regards
Eddy