jacta@Jactalappen:~$ ls -l /home/jacta/Downloads/Torrents/
total 12
drwxr-xr-x 2 debian-transmission debian-transmission 4096 Jul  9 20:20 Completed
drwxrwxrwx 2 debian-transmission debian-transmission 4096 Jul  9 20:21 Incomplete
drwxrwxrwx 2 debian-transmission debian-transmission 4096 Jul  9 20:28 Watch

jacta@Jactalappen:~$ sudo -u debian-transmission ls -l /home/jacta/Downloads/Torrents/Completed/
[sudo] password for jacta:
ls: cannot access /home/jacta/Downloads/Torrents/Completed/: Permission denied