seed-faith

Etymology
In reference to Matthew 17:20: "And Jesus said unto them, Because of your unbelief: for verily I say unto you, If ye have faith as a grain of mustard seed, ye shall say unto this mountain, Remove hence to yonder place; and it shall remove; and nothing shall be impossible unto you" (KJV).

Noun

 * 1)  The practice of donating money to religious causes in the belief that one will receive blessings from God in exchange; associated with televangelism.