All very good questions. All things I should have put in the background section, because of course I forgot something. Oof.

He was sent on a job to get the fruits back from somebody who'd stolen them from a wealthy client. Part of his payment was either a rather hefty sum of money, or a fifth of that sum, and he'd be allowed to keep one fruit for himself and do with it as he pleased. He lost out on a lot of money for that opportunity, but it was a bit of an investment on his part. Not needing to carry a taser, and being able to be armed at all times are valuable things for a mercenary. 

If you have any other questions, feel free to ask away.