artificer artificer /ɑrˈtɪfɪsər/

noun

1. An enlisted man responsible for the upkeep of small arms and machine guns etc.  ( armorer [American] , armourer [Canadian, British] , artificer )
   an enlisted man responsible for the upkeep of small arms and machine guns etc.
   
2. A skilled worker who practices some trade or handicraft  ( artificer , journeyman , craftsperson , artisan , craftsman )
   a skilled worker who practices some trade or handicraft
   
   
3. Someone who is the first to think of or make something  ( artificer , discoverer , inventor )
   someone who is the first to think of or make something