What is Bull in Stock Exchange?

Bull: Bull is a speculator on the stock exchange who expects a rise in the price of a
certain security. He buys the security (without taking actual delivery) to sell it in future
when the price goes up. A bull is also called “Tejiwala”. Bull, as a speculator, is an
optimistic/adventurous type of speculator and not a cautious type of speculator. A bull
market is one in which the prices are rising as per the expectations of bull speculator.