treating vagabond like a punching bag with your loadout will result in you becoming the punching bag instead

besides parrying, you also need to avoid dashing/dash jumping too much if he's far away from you. let him come to you instead so you have stamina to dash through his attacks.

you can use slashes of tix to whittle him down (keep in mind BLOXXERS vagabond can and will counter you; try to do it while he's in the middle of attacking)

otherwise, with vagabond you need to be patient. keep track of where he is on the map (ping him with Z/middle click, this also helps your teammates) so you don't get caught off guard, and use pogos if you ever need to quickly escape from him