ad ‧ vis ‧ er S3 W3 BrE AmE , advisor /ədˈvaɪzə $ -ər/ noun [countable]
[ Word Family: noun : ↑ advice , ↑ adviser , ADVISOR , ↑ advisability ; adjective : ↑ advisable ≠ ↑ inadvisable , ↑ advisory ; verb : ↑ advise ; adverb : ↑ advisedly ]
someone whose job is to give advice because they know a lot about a subject, especially in business, law, or politics:
a financial adviser