To sarakoth.
Please don't mess up the Wuxia Game #4 Characters storeroom with nonsense post such as this post of yours. That thread is only for people to post their character profile.
'Waiter cum assistant cook' means he works as both waiter and assistant cook. This is common usage of the word 'cum' in english language.
You better lessen your reading of porn and read more healthy material if u can't take your mind off such things.