since i have nothing to do so i made up a list of methods to kill your hated people:

1.back stabb

2.ask him/her to go to school or some place high to meet then push him/her down

3.tell him/her stand at some place then throw knife from above down at him/her

4.poison with rat poison

5.give him/her sleeping pills then do operation on him/her

6.throw balls on him/her...pingpong balls,golf balls,tenis balls,soccer balls,basketballs,or bowling ball..choose yourself

7.stuff durian up his/her ass...

8.use magic spell turn him/her into an ant and then step on him/her

9.even better, use magic go teleport him/her into a pool of man eating sharks

10.got anymore ideas?