PROSPECTOR
NOUNS – PERSON
1812 — GARIMPEIRO in Brazil: a prospector for gold, silver, diamonds, etc.; formerly, one who worked illegally
1850 — PACK RAT an itinerant prospector → Amer. West. sl. obs.
.M19 — SCROUSHER a worn-out prospector → Aust. & NZ sl.
1907 — DESERT RAT one who lives in the desert; a prospector in the desert → Amer. dial.
1913 — COFFEE-COOLER a prospector → Amer. dial. (Bk.)
1913 — POCKET-HUNTER a prospector → Amer. dial. (Bk.)
1936 — SAGE RAT a cowboy’s term for a resident of the arid lands; a prospector → US cowboy usage (Bk.)
Lexicophilia 