There are multiple, but you probably mean Darth Maul. He has a red double-saber, and horns on his head. Episode I.
Chat with our AI personalities
That was Princess Leia, when she wore a slave outfit in the film Star Wars Episode VI: Return of the Jedi.
Vader didn't have a bodyguard.
jawa
A nautolan. A jedi of both land and water capabilities. A "Star Wars" character.
It's not clear if you're asking which character has a bounty, or is a bounty hunter. So, if you're asking which Star Wars character has a bounty (on his head), that was Han Solo. If you're asking about a bounty hunter, there were several in the Star Wars universe. The most well known bounty hunter was Boba Fett.