Definitions

1. noun

a person who avoids taking risks, especially in business or financial matters, often to the point of being overly cautious

“He was considered a piker by his investors for not taking a greater risk on the new project.”

2. noun

a person who refuses to join in an activity or take a chance, often because of fear or lack of confidence

“As a piker, she declined the invitation to participate in the extreme sports competition.”

3. verb

to avoid taking risks, especially in business or financial matters, often to the point of being overly cautious

“The company was accused of pikering by not investing enough in new technology.”