There is a type of loneliness within many people that prevents them from making relationships on a one-to-one basis. This may manifest in dreams as the figure of the hermit.
In dreams if we meet the hermit, we are discovering the dimension in ourselves that has a spiritual awareness.
The hermit in your dream can be a useful tool in descovering you inner spirituality, or it could be a more literal subconscious sign that you are spending too much time on your own.
It could, of course, mean the exact opposite if you’re spending way too much time around other people, in which case the hermit dream could well be a sign that you need more alone time.