A more thorough explanation:
Definition:
Amender is a noun that refers to a person who makes changes or improvements to a document or any other written material.
Example:
John is an amender who is responsible for correcting grammatical errors in the company's reports.
Explanation:
The example shows that John is an amender who is responsible for correcting grammatical errors in the company's reports. He is the one who makes changes to the reports to improve their quality. This illustrates the definition of an amender as someone who makes changes or improvements to a document or any other written material.