As nouns the difference between oligarch and millionaire
is that oligarch is a member of an oligarchy, someone who is part of a small group that runs a country while millionaire is somebody whose wealth is greater than one million units of the local currency.
oligarch
English
Noun
(
wikipedia oligarch)
(
en noun)
A member of an oligarchy, someone who is part of a small group that runs a country.
A very rich person, particularly with political power; a plutocrat.
(label) A protoplanet formed during oligarchic accretion.
Synonyms
* (rich and powerful person) (l), (l)
Related terms
* (l)
* (l)
* (l)
millionaire
Noun
(
en noun)
Somebody whose wealth is greater than one million units of the local currency
Derived terms
* multimillionaire, supermillionaire, megamillionaire
*
Related terms
* billionaire, trillionaire
* (figuratively) zillionaire, bazillionaire, gazillionaire, squillionaire
* million
Derived terms
* millionaire shortbread