Final answer:
The sender of a letter of admonishment or abatement is typically someone in a position of authority or power.
Step-by-step explanation:
The letter of admonishment or abatement is typically sent by someone in a position of authority or power who wishes to issue a warning or lessen the impact of something. This could include employers reprimanding employees, teachers addressing students' behavior, or government officials addressing individuals or businesses.
For example, if a student is repeatedly late to class, the teacher may send a letter of admonishment to the student and their parents to address the issue and remind them of the importance of punctuality.
It is important to note that the specific sender of the letter may vary depending on the context and situation.