Two separate problems. It's entirely possible your account was never correctly set up... like a rookie admin simply created an entry in your passwd file a your home directory. Your home directory should be owned and writable by you:
$ ls -ld $HOME
drwxr-xr-x 41 otheus otheus 4096 Jun 30 11:26 /home/otheus
As far as the ocrontab not being executed, that might also be because the script is not properly being installed, but you might not be able to see that as a normal user. You can try: