One who is susceptible to and has the psychic ability to be influenced by spiritual beings. A sensitive is essentially a medium.
A sensitive often suffers from all the troubles of a medium. Those who are sensitive to the world of spirit must pay the price of being sensitive to the sorrows of the world of matter. It cannot be any other way.
There are mediums who, through force of circumstances, are unable to make use of their psychic gifts. As a result, they can be afflicted with mental depression and nerve trouble because their psychic gifts are not functioning and their bodies are not in harmony as a result.