Raging To Commit Murder

there is this guy at my new place of work that is showing genuine hatred and jealousy towards me, just because i am new at the place and the owner shows clearly that he likes me, that guy is always against me and trying to pick fight with me, i have an anger issues and now its activating.i am just indecisive because im always trying to avoid fights because of my anger issues, but this guy is pushing me to the extreme, physically he is bigger than me but honestly i dont feel a bit of fear of him, i just dont wanna land myself in trouble because if i fight him it won't end well.i dont wanna be on nairaland front page for murder. fellow nairalanders if u are in my situation what would you do? my mind is telling me to leave that place and look for another work but i fear sapa too much, and if i stay there must be fight and its gonna be bloody.i need matured advice.