He seems to be very squishy and the lack of CC means that ganks can be hard. Also not that great in teamfights. There are other junglers like Sej, Gragas and Rek'sai who have good ganks and are also tank. Should I use it or focus on other junglers?
Well hes not good at team fights because he's not a team fighting champion. He's an assassin that fits pick compositions, or can stealth to the back line and pick off the ADC or APC FOR a teamfight at the very least. Use him in that5 way. If thats not the composition youre going for, or will fit in, then of course dont use him.
