(among American Indians) a medicine man who by various rituals and incantations seeks to cause rain
person who induces rainfall by using various scientific techniques, as the seeding of clouds with silver iodide crystals from an airplane
executive or lawyer with exceptional ability to attract clients, use political connections, increase profits, etc.
a person in tribal societies who professes to bring rain; a person with a strong ability to bring in new business or produce results, esp through the use of influence, connections, etc [n -S]