From MEPIS Documentation Wiki
Users' home directories can usually be found under /home, with one exception: the root account's home directory is usually /root, which is a directory on the root filesystem. This is because, if root's home directory was on /home, an unmounted filesystem when the system boots into single-user maintenance mode, the root account would not be able to log in correctly.
/home is quite often a separate filesystem, for a variety of reasons.
The /home directory is where the user's personal directories reside. Each user will have their own home directory under the /home directory.If your username was MepisLover, then your home directory would be /home/MepisLover. One user cannot read another user's home directory. The only user who can do that is the root user. more detail