well known from long or close association.
“their faces will be familiar to many of you”
in close friendship; intimate.
“she had not realized they were on such familiar terms”
synonyms: informal, casual, relaxed, easy, comfortable; More
a demon supposedly attending and obeying a witch, often said to assume the form of an animal.
(in the Roman Catholic Church) a person rendering certain services in a pope’s or bishop’s household.