tutelary

Relating to guardianship or protection.

When a minor is involved, tutelary powers frequently accompany powers of attorney.

[I]n the firſt of Henry the ſixth, the Company of Armorers in London were incorporated by the name of the fraternite of Saint George: which queſtionleſſe reflected on him, though not as Patron ſpecially of this Realme of England, yet as the tutelarie Saint of militarie men. Elſe to what purpose ſhould the Armorers, whoſe trade is onely deſtinate to the uſe of Souldiers, be made a Corporation by his name, and under his protection.

Of or pertaining to a guardian.

My uncle is always happy to discharge his tutelary responsibilities towards me.

[T]he Duke withdrew him to Roan, and from thence to the King of France, to craue his aid, putting him in minde of, the faithfull ſeruice his father had done him: how he was his homager, vnder his tutelarie charge, and had no other ſanctuary of ſuccour to flie vnto, in this caſe of his mutinous and turbulent nobilitie; the effect whereof was of dangerous conſequence to that Crowne.

Having the qualities of a tutor.

She loved him so passionately, and he was so godlike in her eyes; and being, though untrained, instinctively refined, her nature cried for his tutelary guidance. And thus, though Tess kept repeating to herself, 'I can never be his wife,' the words were vain.

A deity or spirit serving as a guardian or protector of a place, person, culture, etc.; a tutelar, a tutelary deity.

The qualifications demanded in a tutelary are activity combined with power over the minor malignant devils. Thus most of the superior celestial Buddhas and Bodhisats may be, and are, tutelaries. But the favourite ones are the great demon-kings, […]

Thus, various Amerind tribes are devoted to foot-racing; yet the races are not tests of swiftness so much as divinatory or invocatory acts designed to appeal to tutelaries, and are usually set by seasons for planting or harvesting or hunting.