As a noun provider
is one who, or that which, provides a service, commodity, or the means for subsistence.
As a proper noun seller is
an english and scottish topographic surname, derived from either of several places named sell.
One who, or that which, provides a service, commodity, or the means for subsistence.
* Internet service provider
* health care service provider
From (sell) + (-er).
Someone who sells; a vender; a clerk
Something which sells
- Alisha was a seller of fine books.
- Two of the books Alisha authored had become banner sellers .