What you are describing is either an assasin or a simple murderer! Both are things the guild hugely despise! Blood sports can be done in the arena of the hutt's! And the credits aren't there to bribe you! They exist so you can bribe others! Or to buy that sweet looking blaster WITH ammunition! A simple mag costs 25-50 credits, I wonder if he still thinks money is irrelevant when pulling the trigger and nothing goes off! 

He is still not acceptable! There is a difference in a bounty hunter and a murderer! We do not kill for fun! Well maybe we do! But we do not kill unless the bounty acquires it! Bounties are to be captured alive since it is the job of the officials to determine if a wanted criminal deserves death or doesnt! Sometimes it is even a private person but still with a legitimate certificate!
Bounties are official Republic buisness! A bounty is government approved and so every one with a bounty on his head is a wanted criminal! He loses many right, yes, but not the one to life! 

We are not the jury but if FORCED we will be the executioner!