密報者,預測者,提供情報者
Tipster \Tip"ster\, n. [Tip a hint + -ster.] One who makes a practice of giving or selling tips, or private hints or information, esp. for use in gambling upon the probable outcome of events, as horse races.
tipster n : one who sells advice about gambling or speculation (especially at the racetrack) [syn: {tout}]