For all those of you saying "oh, and how would you know he was guilty? would you not investigate? would you not ask questions?", If you weren't to lazy, and read carefully enough, you would see that in the question it is asked what would you do if player breaks <rule>?, Means the player already broke it (and its obviously obvious), and the question's purpose is to see how would he punish the rule breaker!

What would you do if a player breaks NLR?
I would bring the accused and the complainant and understand the situation and what went on. If the conclusion was that he did break nlr i would firm warn him and he would be on his way. Say he did it again i would then kick from the game. I would check logs and witnesses and finish it off.

What would you do if a player breaks RDM?
I would bring the accused and the complainant and then work out the situation again. If he was guilty then i would warn him and issue a slay with that .I would check logs and witnesses and finish it off.