familiar

a person attached to the household of a high official (as a pope or bishop) who renders service in return for support

a friend who is frequently in the company of another; "drinking companions"; "comrades in arms"

a spirit (usually in animal form) that acts as an assistant to a witch or wizard

well known or easily recognized; "a familiar figure"; "familiar songs"; "familiar guests"

within normal everyday experience; common and ordinary; not strange; "familiar ordinary objects found in every home"; "a familiar everyday scene"; "a familiar excuse"; "a day like any other filled with familiar duties and experiences"

(usually followed by `with') well informed about or knowing thoroughly; "conversant with business trends"; "familiar with the complex machinery"; "he was familiar with those roads"

having mutual interests or affections; of established friendship; "on familiar terms"; "pretending she is on an intimate footing with those she slanders"