middleman

"The local retailer sells fresh produce at very competitive prices. "

"Every person who passes by is a potential customer."

"The treasurer of the school club handled all the money for the fundraising campaign. "

"The landlords increased the rent for the apartments this year. "

"The guidance counselor acted as an intermediary between the student and the teacher to resolve the grading dispute. "

"Electronics is a popular subject."

"The manufacturer of the school's new computers is a well-known technology company. "

"Maria is subletting her apartment for the summer while she studies abroad. "

"The intermediate level of Spanish class is a good fit for students who already know some basic vocabulary. "

"The new sports car was incredibly expensive, costing more than my entire year's savings. "

"supply and demand"

"The revolution aimed to improve the lives of the peasantry, who often faced hardship and unfair treatment while working the land. "