tinner

tin +‎ -er

tinner (plural tinners)

1. A tinsmith.
2. A worker in a tin mine.
   • 1765–1769, William Blackstone, Commentaries on the Laws of England, (please specify |book=I to IV), Oxford, Oxfordshire: […] Clarendon Press, →OCLC:

     The stannary courts of Devonshire and Cornwall, for the administration of justice among the tinners therein, are also courts of record.

• intern, netrin