The Silk trader, located to the north of the Al Kharid palace and he sells silk. He provides a slow but reliable way for newer members to gain some money. If the player is prepared to click through a lengthy dialogue, they can buy some silk for just 3 coins, which may then be sold for a small profit at any general store excluding the general store in Al Kharid. It is also possible to sell it at the Grand Exchange for a larger profit.
It is possible for players to lower the purchase price of the silk by refusing the original offer by the Silk trader and instead settling for a price of 2 coins.
The Silk trader is part of the Cryptic Clue Fest IV day 4. Take the Jubilee Basket and the required items to him. He gives you the contact clue for day five's riddle.