The real tragic figure in this series...
... is Juice.
As the main character, all eyes were on Jax. All my female friends had girl-crushes on him... must be that bad boy thing. But really there was little to admire about him. He had few redeeming traits.
Some people might point to his seeming loyalty to family and friends, but even that was exposed as a lie throughout the series. He cheated on his wife. For all his talk about the importance of his children, he could have walked away from the life in a heartbeat.
Even when it came to his fellow club members, he wasn't above turning on members when it suited him. (This was a theme of the show... he ends up morphing into Clay Morrow, the man he detested.)
Which brings us to Juice. First, after seeing him as the criminal-with-a-conscience in Daredevil, I became a fan of actor Theo Rossi. I didn't realize he was in this series til I started watching it.
Juice was a loyal foot soldier, but he gets cast under the bus by Jax. Juice's crime was supposedly betraying Jax. Under Jax' orders, Juice kills an innocent woman. Struggling with the regret of that, he later confesses his crime to Nero while under the influence of drugs.
Jax is a douche though. He's enraged that Juice would expose his lie to Nero.
Juice later tries to atone by protecting Gemma, an action that unfortunately has significant repercussions, largely on the basis of their shared lie.
Juice's only real mistake was to assume that Jax would reciprocate his loyalty. He doesn't though... thug that he is, he arranges for Juice to be executed while in prison. But not before he first uses Juice ONE LAST TIME to extract the truth about his mother.
If you're going to feel sympathetic about anyone in this series, it should be Juice, not Jax.