Raven

I have been trying to beat Vulcan tank so much to the point that I have moved on to mgs2, every time I search how to beat him it says," niKiTA!1!2!2!" I DONT HAVE A FUCKING NIKITA AND WHENEVER I MOVE HE FUCKING BLOWS THE FUCKING DAYLIGHTS OUT OF ME LIKE SHIT BRO WHAT THE FUCK I NEED FUCKING HELP NOW!!!!!!!!!!!!!. thanks