Schoolmasters are men who teach in schools.
Schoolmasters are usually respected because they help children learn.
Examples:
The schoolmaster teaches the children how to read.
The schoolmasters are kind to the students.
I see the schoolmaster at the school every day.
The schoolmaster helps the children learn, but sometimes he forgets their names.
The schoolmasters work hard to make sure the children learn everything.
The schoolmaster is the boss at the school.