Draper
Oh, dude, you're asking me about someone who works with textiles? That's easy, they're called a textile worker. Like, they work with fabrics and stuff, you know, making clothes, curtains, all that jazz. It's not rocket science, man.
someone who works for a business
An employee
a horticulturalist
demonologist
Mason
collector
A gardener.
An electrician.
coach
Someone who sells textiles is commonly referred to as a textile merchant or textile dealer. In some contexts, they may also be called a fabric seller or fabric retailer. These individuals specialize in the trade of various types of fabrics and textiles for use in clothing, upholstery, and other applications.
paver