Presser (noun)

1. A machine or device used for pressing something, especially in manufacturing.
2. A person or thing that presses or squeezes.
3. A person who urges or compels someone to do something.

Origin:

Late middle english, from old french presseur, from presser to press.

Examples:

1. The presser was used to shape the metal into its desired form.
2. The presser was used to extract the juice from the fruit.
3. The boss was a relentless presser, always pushing his employees to work harder.
4. The financial pressure from the bank was a constant presser on the small business.
5. The tight deadline was a presser for the team to complete the project.