A kiasi person.
Unwilling to take a chance for fear that something bad or unfavourable will happen; cowardly.
A novice.
A type of firecracker, used by farmers to scare rooks.
An athlete either new to the sport or to a team or in his first year of professional competition, especially said of baseball, basketball, hockey and American football players.
An inexperienced recruit, especially in the police or armed forces.
non-professional; amateur