petty bourgeois
adjective /ˌpeti ˈbʊəʒwɑː/
/ˌpeti ˈbʊrʒwɑː/
(also petit bourgeois)
(from French, disapproving) [usually before noun]- belonging to or connected with the lower middle class in society, and often showing the belief that money, work and social position are very important