First of all,thanks for reading this extremely rambling question. This is a highly personal scenario I've wanted to get help with, and frankly couldn't work up the guts to talk to someone, not even my guardians. So I'd really appreciate it if you'd bear with me.
An extremely close relative passed away when I was taking admission in the college and I was not in a proper state of mind. So I tended to keep close to myself in the first few days. This guy, a sophomore picked me out from the very first day and started asking annoying questions, all of which I attempted to politely deflect; but this somehow gave him an incentive to progress to causing even more disturbance, until some of his and my classmates restrained him. Such incidents happened some time till the freshman-sophomore bonding ceremony of the college, and I did not really see more of him that semester, which led me to moving on with life and accepting said occurrences as bad experiences which could be ignored.
In my second semester, all was going well until one day which has traumatized me ever since. I was working in the lab with saws and files, and was taking a breather,when this guy passes by. Nonchalantly he pats and fondles my balls quickly before walking by as if nothing had happened. As he was passing by, a file I held at an awkward angle opened a tear on his fabric and this act was unintentional; I might justify it as a kneejerk reaction. He turned back and cornered me, abusing me for disrespecting my seniors and promising to get me after class. As I tried to leave for the day, a quarter of an hour later, he confronted me with two older seniors who shouted at me, while my supposed classmates laughed at me, and asked me to apologise to the guy. After initially being angry, I got scared, sought my bully out and apologised for any trouble or misunderstanding (I don't know what I had done to him to this day). Then at the gates he got an even more rough guy to scare me witless, and he tore my satchel as I threw embarrassment to the wind and ran out of the gates. This has taken a lot to come out with, and I'm admitting only recently that said event has scarred me mentally, perhaps for good.
I was ostracized by my mates and became a laughing stock to the rest. I was a tall, super skinny guy, and being laughed at was a regular part of my life. It became agonizing, and I couldn't live with that. Even going to college was painful. I tried to adopt a different persona, viz that of a talkative geek, but it doesn't go too well and hurts me more at the end of the day.
This story doesn't end in my sophomore days either. One day, as I ate during recess, this guy appears in the room accompanied by a few of my laughing batchmates. He proceeds to prod and insult me, even after I requested him to stop. So I clam up, because anything I do will be twisted by him as an excuse for violence, and soon he leaves, being bored. But then I went to the toilet and he sidled up to me asking why I did not talk. I tried to leave immediately but he blocked the exit and started pushing at me. I tackled him to make my escape, fell down and got my backside handed to me. I complained to the departmental head. When this guy is summoned, he makes it out that I'm an ill-behaved maladjusted aggressor, who can't seem to distinguish between good fun and violence. The professor made us shake hands and we parted.
These incidents have taken a toll on me. I cannot concentrate on my studies any more and find myself in a haze of nightmares and spurious bursts of anger at random things. I obsessively go through self-help books and martial arts videos to gain motivation, but this doesn't help either. Meanwhile this guy in his last year, has, it seems, begun targeting me once more. He hasn't got an opportunity to escalate yet, cause I always move with a few guys I recently got to know and he's stuck to throwing insults only. But I'm very scared though I try my best not to show it and maintain a stiff upper lip, indeed I doubt anyone apart from me knows about my trauma. But I've had my fill of such experiences and feelings for a lifetime and I would like to get concrete advice on how to get over myself and steps to take should I ever get accosted like this again.
EDIT:Noon and the others added insightful advice and I'm grateful to them for that.Though I'd really like advice on how I could have handled said situation better,since said person has once again begun an,albeit one-sided communication channel by recent means of testing my patience,I'd like to know how to respond to him in justified manner?
