Honestly, as an existentialist, I believe it's up to the individual to define what their life means and the meaning of existence is for themselves. While I do understand there is a lot of hate and bigotry in the world, there is also a lot of beauty in it too. I can't say I have an answer to the meaning of life, but for me it's important to strive for a world that is more empathetic and compassionate to one another. A world where everyone can be happy, healthy and live in peace. Sadly, that seems to be a more utopian concept as that really doesn't exist, but that's what I strive for in my heart and the world that I'd like to see. I think understanding the individual plight of other people and learning from each other is something we should all strive for. It may not give us the answers or solve all of our problems, but at the very least it can reduce hate and conflict to a degree. That's a step in the right direction, imo.
As for my own individual life, I guess I just want to be happy in my own life and see others happy as well. Corny, I know, but that is how I feel. I don't like seeing other people suffer or struggle. So, in my own limited way, I try to have a positive impact on others and increasingly try to better myself as I go on. Yes, I fail and have to work tirelessly to improve as a person, but it's worth it in the end.