Aegis:

• The protection, backing, or support of a particular person or organization.
• (in classical art and mythology) an attribute of Zeus and Athena (or their Roman counterparts Jupiter and Minerva) usually represented as a goatskin shield.
• Protection; Support

The Aegis is the human guardian of the hidden magical world, and an important ambassador, negotiator and peacemaker between the supernatural and the human. The title is passed down by bloodline and you are the current titleholder.