profiteer

nouns

someone who makes excessive profit (especially on goods in short supply)
profiteer
is derived from
profit
is a type of (narrower)
a person who invests capital in a business (especially a large business)
capitalist

verbs

make an unreasonable profit, as on the sale of difficult to obtain goods
profiteer
is a type of (narrower)
derive a benefit from
"She profited from his vast experience"
benefit, gain, profit