a person who is trusted with personal secrets

close friend

a ruler who has absolute authority, especially one who has obtained such power by force

absolute ruler

a person who shows others the way, especially a person employed to point out interesting sights on a journey or visit

something that or someone who leads

a person (formerly) making public announcements for, and carrying messages from, a ruler

omen, messenger

a person who invigilates

person who watches, oversees

a wise and trusted adviser and helper

person who advises

a senior pupil given duties in a school; a person, apparatus, that listens to or watches foreign radio and television programmes; a screen on which information can be seen

person who watches, oversees

a specialist in therapy; psychotherapist

counselor

a person who usurps

dictator

a dog used to guard property

person who watches, oversees