promiser

Noun

One who promises; a person who makes a promise; someone who makes a solemn promise to do something.

Japanese Meaning

約束をする人、約束した人、誓約する人

The promiser forgot the date of the meeting, disappointing everyone who had counted on his word.

約束した人は会議の日付を忘れてしまい、彼の言葉を頼りにしていた皆を失望させた。

Sense（1）

One who promises; a person who makes a promise; someone who makes a solemn promise to do something.

promisers

（ plural ）