What does "payer" mean?

One who pays; specifically, the person by whom a bill or note has been, or should be, paid.

What is a synonym for "payer"?

Common synonyms include: bursar, cashier, liquidator, paymaster, purser, remunerator.

//ˈpeɪ.ɚ// name, noun

name, noun ·Rare ·Advanced level

Noun

1
One who pays; specifically, the person by whom a bill or note has been, or should be, paid.
"The company is the largest tax payer in the region."
2
a person who pays money for something wordnet
3
A swaption which gives its holder the option to enter into a swap in which they pay the fixed leg and receive the floating leg.