The phrase "great keeper" refers to someone who is good at taking care of something or someone. They are responsible and reliable in their role. Full definition
Well I definitely saw Arsenal way before Wenger and in fact go back to George Swindin, a former great keeper of ours, whom I doubt many younger fans have even heard of, sadly. (justarsenal.com)
England haven't produced a truly great keeper in a long time, so even if we get the English no1 he still might not hold up too well against other nationals. (justarsenal.com)
A defense that is all over the place including a once great keeper who will need Federer type revival to stay as first choice. (justarsenal.com)