ornamental hermit

Hmm TIL:

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Garden hermits or ornamental hermits were hermits encouraged to live in purpose-built hermitages), follies, grottoes, or rockeries on the estates of wealthy land-owners, primarily during the 18th century. Such hermits would be encouraged to dress like druids and remain permanently on-site, where they could be fed, cared-for and consulted for advice or viewed for entertainment (Wikipedia)