THREAD : how I replaced someone without knowing it.

first of all, I want to thanks @sherlockholmes and @watson for helping me with this strange story.

So let’s start this thread. I am a teacher and I was looking for work. I had no money, no work, time was hard for me. One day, I could find a job but it seemed strange to me. A kind man was offering me a hundred pounds a year to teach his son. I was really happy and lucky