There are very few people ever I could claim to hate at any given point in time, and as of right now I couldn't honestly say I hate anybody. The closest anybody's come to that recently is a guy I met elsewhere online and had to hang around for a few months since he ended up as part of the same group I was in. This was a guy I never got along with in the first place, since he was by far the biggest jerk I've ever met, bar none. I might have been able to stand him before, but once he started deciding to take potshots at me to my face (and his shots often included rather crude insults and jabs at peoples' worth), nope. Not taking that at all. I'm pretty tolerant and forgiving of a lot of things, but that didn't just cross the line, that pole-vaulted straight over it.
Although I don't hang around him at all now (haven't had any contact with him since...January or so), so any hatred that might have been brewing is gone. I don't like hanging onto that feeling at all - it's a poison I will not suffer - so if I can drop it and forget it I will.