Found in the following dictionaries
OTCWL2014 (NASPA Word List 2014)
"Empath" Definition
noun
A person with extra-sensory empathic ability, capable of sensing the emotions of others around them in a way unexplained by conventional science and psychology.
Source: Wiktionary
One who has the ability to sense emotions; someone who is empathic or practises empathy.
Source: Wiktionary