The role of sellers in a marketplace are-      

1.Manage their orders from the dedicated dashboard. 

2.Manage Seller Branding by providing the banner, social links, and SEO friendly URLs for their shop. 

3.Maintain everything transparent between them and customers by displaying return & shipping policy and providing shop description. 

4.Add multiple images to the product to help the customer 

5.Edit shop URL for the Profile page, collection page, and the shop information.                                           

6.Edit or delete products from their dashboard. 

7.Create shipments and invoices for their orders if the admin provided permission.