Dec 8, 2015, 01:36 PM (This post was last modified: Dec 8, 2015, 02:01 PM by Jaerri.)
You can either rate an user via his post he made, or on their profile there is this little button you may click to rate him.
Rep. help me personally to judge the user whether he is honest or not. It's also like a little ''reward'' one can receive for helping others in the forum out! You can also give neutral and even negative reputation, but I've never saw anyone with it yet.
You may also write the reason why you've given this user the rep! HERE you can look up all the useful stuff about rep!