A person who makes a scarf is typically referred to as a knitter or crocheter, depending on the technique used to create the scarf. If they weave the scarf, they may be called a weaver. Additionally, someone who crafts scarves as part of a broader textile art practice might simply be referred to as a textile artist.
A long thin scarf is typically called a "scarf" or a "skinny scarf".
It can be called a cap or a scarf.
It's still just called a scarf, or a men's scarf if you are being super-picky about it.
A person that makes candles is called a chandler.
acrylic
the person who makes spelling mistakes is called cacographer.
The person that makes and sells sweets is called a confectioner.
A person who makes saddles would be called a Saddler.
A person who makes things out of stone is called a stonemason or a stone carver.
A person who makes mirrors is called a mirror maker or a glassworker specialized in mirror production.
A person who makes whiskey is called a distiller.
A person who makes idols from stone is called a stone sculptor or a stone carver.