counsellor
Pronunciation: /ˈkaʊns(ə)lə/
(US counselor)
noun

Origin:
Middle English (in the general sense 'adviser'): from Old French conseiller, from Latin consiliarius, and Old French conseillour, from Latin consiliator, both from consilium 'consultation or advice'

The words counsellor and councillor are often confused. A counsellor is a person who gives advice or counsel, especially on personal problems ( a marriage counsellor), whereas a councillor is a member of a city, county, or other council ( she stood as a Labour candidate for city councillor).