Don't forget to treat him well in spite of the fact that you don't like him.
refer
1. The pupil gets the scholarship. He is very poor
=> The pupil who gets the scholarship is very poor
2. She is nurse. She took care of me
=> She is nurse who took care of me
3. My teacher punished the pupil. That pupil was naughty
=> The pupil who was punished by my teacher was naughty
4. Is this the book? You want me to read it?
=> Is this the book which you want me to read ?
5. He is the only person. He can solve this difficult problem
=> He is the only person who can solve this difficult problem
6. I bought some pencils. They are in different colors
=> Some pencil which I bought are in different colors
7. This is the dictionary. I bought it at that bookstore
=> This is the dictionary which I bought at that bookstore
8. She ate a peach. The peach was still green
=> She ate a peach which was still green
9. The teacher can't come to class today. He teaches us English
=> The teacher who can't come to class today teachesuss English
10. The girl has just gone out. Do you know her?
=> Do you know the girl who just gone out ?