Question

what does deuty stang for

Answer 1

Duty=> Done Universally truly yielding.

Answer 2

On one side, there are those who say it's degrading and merely an opportunity for a school to show off its foreign teachers to the fee-paying parents. And then there are those teachers who accept gate duty as part of their teaching responsibilities.

For those readers who have spent their teaching career cooped up in private language schools and don't have a clue what I'm talking about, gate duty is when a foreign teacher, at say a government or Thai secondary school, is told to stand in front of the school building - usually in the morning or at the end of the school day - and look like an asset to the institution.