Jinbe isn't, he made that clear in the war. Hancock is still a member though, she was still refered to as one after the timeskip.
There should be three new ones. With Mihawk, Doflamingo, Kuma and Hancock still being members. That leaves two of them still unknown.
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Nio-chan and Ctes: http://img.imgcake.com/nio/Untitledpngyn.png
BroAndCharAndCtes: http://i.imgur.com/oBQfY.png