Dharma is a Sanskrit word that means duty or responsibility. Your dharma refers to your duties and your responsiblities. These can be:
In everyday life, our response is usually to protect our ego and move away from a chance of failure. However, by doing this you can end up becoming stuck. While it is understandable that we do whatever we can to move away from negative emotions and suffering, that is exactly that which gets us stuck in life.
One of the most effective ways to solve this problem is to find a way to voluntarily choose pain and suffering. Find a way to embrace the struggle of life.
Life is hard, and the difficulty holds us back from moving forward. We do not want to live a hard life. Moreover, everyone wants to live an easy life, not a hard one.
Yet, if you find a way to embrace the negatvitity of life, then you can be in complete control of life. If you can do that, then life cannot hold you back, and you no longer need the guarantee of a future reward to keep you moving forward. This is dharma.