a person who builds.

a person who constructs buildings under contract or as a speculation.

a substance, as an abrasive or filler, added to soaps or other cleaning agents to increase their effectiveness.

noun

wrecker

noun

architect , artisan , constructor , contractor , craftsperson , erector , fabricator , framer , inventor , maker , manufacturer , mason , originator , producer , assembler , contributor , creator , developer , pioneer , carpenter