Used as a job title for someone in charge of a post office and its operations. Meet Ms. Smith, the postmaster responsible for all mail services here.
Pro Tip 2/3
Gender Neutral
The term 'postmaster' applies to any gender, even though it contains the word 'master'. Regardless of gender, anyone leading the post office is called the postmaster.
Pro Tip 3/3
Professional Setting
Use 'postmaster' in formal contexts, like professional discussions or official documents. I will forward your complaint to the postmaster for further review.