Officers are the people that keep SCA groups going (from an administration point of view anyway) according to the laws of the Society. Officers are the primary link between groups in the SCA and mundane authorities.
A shire must have the following three officers:
Depending on the kingdom a Barony may also be required to have one or more of the following officers:
Any group may have some or all of the following additional officers:
... or any others of its choosing.