Waster (noun)

1. A person who wastes resources, time or money.
2. A person who is careless or extravagant with resources, time or money.

Origin:

The word "waster" comes from the old english word "wæstrian" which means to waste or to squander. this word is related to the verb "to waste" which means to use resources carelessly, extravagantly, or to no purpose.

Examples:

1. He was a waster of time and money.
2. She was a waster of resources and was always looking for a free ride.
3. The company was losing money because of the wasters in the accounting department.
4. He was a waster of talent and didn't use his skills to their fullest potential.
5. The waster was always looking for ways to cheat the system.