Hi Sagar

Party to whom we have to pay some amount is called Sundry Creditor

Example

If we purchase goods of 100000 from A 

We pass entry

Purchase Dr

       To A

in this case,A is a Sundry Creditor

Sundry Creditor can be for expenses too

Example

Suppose we receive Telephone Bill from Airtel of 3000

We pass entry

Telephone Exp

       To Airtel

In this case,Airtel is a Sundry Creditor