Is this possible

I got my rear handed to me by a lvl16 in tier 1 gear gray weapon well im lvl40+ in tier 13 all legendary.
How does someone with such low lvl and gear get such high health and damage to 1 shot someone like me.
Hacker ...lots of them just ignore maybe gm or nanoo will do something...hope they banned them
هذا فعل مشين
هذا فعل مشين
ايه
Someone use hack's or bots. I sow in google a many programs whose help in game . Its strange why admin dont work with thys problem .
No they spend alot of money buffing up their equipment.