Life skills or the skills that are necessary to deal with others in your everyday lives. These skills are not part of your classroom curriculum. However, you can learn these daily with your own experience. The most important skills that are necessary are the communication skill and I am sure you can sharpen your communication skill once you practice and improve it daily.
The other most important skills are behavioral skills and your behavior towards others seniors, or younger generation plays a crucial role for you in the society. We have always been taught that we should respect or seniors etc. So, well mannered social skill can be plus point for society and humankind.
There are many other skills, which you learn from your mistakes or your parents and from the society and these skills you should inculcate in you so that you not only become a good person in society, but you also become mentally strong.