The term 'JEWELER's Helper' can be broken down into two crossword solutions: ENGRAVER (8 letters). An ENGRAVER is someone who uses a tool to carve or etch designs, words, or images onto a hard surface, such as metal, stone, or wood. Engravers are often employed by jewelers to create intricate designs on jewelry pieces. Engraving is an ancient art form that has been used for centuries to decorate and personalize jewelry.