vulgarian
nounA person who makes an ostentatious display of wealth and is often poorly educated or lacking in refinement. synonym: boor.
Vulgar.
nounA vulgar person; especially, a rich person with low or vulgar ideas.
nounA vulgar person; one who has vulgar ideas. Used also adjectively.
nounA
Having the characteristics of a vulgarian,
a vulgar person (especially someone who makes a vulgar display of wealth)