Her calling is helping people by making sure they have the information (reference, news, communications, …) to live their lives as best they can. Creates/maintains/administrates/is some type of communications system. Skilled at computer programming, security, and radio communications where applicable.
Has all sorts of miscellaneous facts, or at least “I heard something about that, let me look it up…”.
Socially awkward in person, better in all non-face-to-face forms of communication. Likely to be living alone but does not object to other people's presence.