noun / verb
broker
BROH-ker/ˈbrəʊkər/
An intermediary arranging access or transactions between others.
A broker brings the seller and prospective buyer together.

Etymology
The older “small trader” sense developed into “middleman” or “agent”: someone whose commercial role is to arrange transactions between other parties.
In context
use a very low-cost broker. For example, Robinhood or Schwab. And this allows you access to stocks and trading and different products, like exchange traded funds, at extremely low fees.
More examples
- The mediator brokered a ceasefire between the two sides.
- An influential party broker controlled access to senior officials.
- They hired a freight broker to arrange the shipment.
Forms
broker · brokers · brokered · brokering
brokerage noun — The business of arranging transactions between parties.
Similar words
- agent
- Represents another party, a broker specifically connects parties or arranges deals.