whats wrong with my Clutch!!

[dj biz r]

after standing i had no pressure at peddle,,oh found resivoire empty filled it but me nipple was stuck so couldnt bleed ,decidied put front on ramp and wait for air to rise bit of pumping and that ,,got air coming out of resivoire <cant spell that word.>anyway all was fine then noticed leak on floor ahh thinking a new seal ,,by now me nipple can be turned <penertrating oil worked> but is all workin fine ,,for a couple o days wet patch again fluid gone i get under van have a good grope at slave and come away with a bit of filler stuck to me hand,,so im gunna be fitting a new slave and bleeding.