One who pikes (quits or backs out of a promise).
One who bets or gambles only with small amounts of money.
A soldier armed with a pike, a pikeman.
One who refuses to go out with friends, or leaves a party early; a spoilsport or "chicken".
An amateur.
A stingy person; a cheapskate.
A tramp; a vagrant.
A bullock living in the wild. (Also used attributively.)
One who is stingy; someone overly cautious or defensive with money.
That tightwad would drive ten miles to save a few cents on gas.