Obedientiaries, the plural of Obedienciary, from the Latin Obedientiarius, meaning someone in an 'obedient', i.e. subordinate, position, is a term commonly used in medieval times for the lesser officials of a monastery who were appointed by will of the superior.
In some cases the word is used to include all those who held office beneath the abbot, but more frequently the prior and sub-prior -who technically qualify in an abbacy- are excluded from those signified by it.