One who, or that which, bolsters.
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.)