You need to capitalize the “F” in find, “Find” is a method on GameObject, “find” is not
Line 15 Corrected:
player = GameObject.Find ("Player");
Line 17, arguments are seperated by comma’s, not freaking periods - Also you your spelling is incorrect for position(you put postion), this is incorrect:
All of these errors you should have been able to fix yourself, i have no doubt the console gave enough information in these cases.
Edit: Also in the future, add all your code, i had to add the ending curly braces for your class, also format the damn thing, its the least you can do for free help.