Smuggler

A smuggler is a person that secretly transports goods or persons past a point where prohibited in violation of the law or other rules.

Amarie's husband, a weapons smuggler, was killed when his ship attacked the USS Enterprise (NCC-1701-D) in 2368. 

DaiMon Solok agreed to smuggle a Starfleet commando squad onto Celtris III after some convincing from Beverly Crusher. 

While traveling under the alias of Galen in 2370, Captain Jean-Luc Picard claimed that he was a smuggler who had had dealings with Starfleet. 

A group of Subytts attempted to smuggle defected isolinear rods to Bajor in late 2369/early 2370. 

Razka Karn was a smuggler, thief and black marketeer with at least twelve outstanding warrants for his arrest on Cardassia as of 2372. 

Also that year, Kasidy Yates was caught smuggling medical supplies to the Maquis by her lover Benjamin Sisko. She did not realizing that doing so was part of a scheme to lure Sisko away from Deep Space 9 so Maquis agent Michael Eddington could steal Industrial replicators from the station. 

Bajoran Latha Mabrin was a smuggler and an arms dealer during the Occupation of Bajor before he found the Prophets and became a Vedek.