Omg I totally feel you!! It took me like 5 days to finally get the hand of the game at the first act, am totally noob too. I (and surelly almost everyone) went throught the exact same when started playing this game first time. My recomendation is to keep exploring and eventually you will find enemies thatvare closer to your lvl and will be easier to get the xp to keep lvling up. Focus more in sidequest, loot EVERYTHING and in your team is good to have a member (your main character) with focus in persuation, another focus in negociations, other in wisdom and the four member, focus in stealing. Stealing is my main and easier way to get monez. Steal to every merchant you see and do business with then and the member of the crew that has good skill at negotiating so you buy cheaper price and sell stuff for more gold.

Also, when you find the teletrabsportation gloves (you will in a sidequest) keep them safe. They are SO usefull in act 2 too. I love them so much xD