It's quite simple, buy the skill book to learn how to steal. Next, steal everthing that the shopkeeper are wearing, and then sell them to buy sword(equip it then sell it, you will still have the sword effect), after that use all the remaining to buy hp potion. Lastly, attack the guard till she's only with little hp, steal all her armors(I started with helmet) and her clothes(all is stealable, last one is on her lower stomach. Enjoy your play!