The term 'One Who Pays' can be summarized as a remitter, which is an 8-letter word. A remitter is someone who sends money to another person or organization. This could be done through a bank transfer, a check, or other payment methods. Remitters are often used in business transactions, such as when a customer pays for goods or services. They can also be used in personal transactions, such as when a family member sends money to another family member.