Try and use wood matches or quality butane lighters to light your cigar. These two types of fire will help preserve the flavors of your cigar once lit. You have spent good money on the cigars in your humidor and it only makes sense that you want to protect everything about them for a more enjoyable smoke. Learning how to light a cigar properly will let you experience the full flavor of your cigar.
If you are set on lighting your cigar with paper matches or a lighter fluid lighter, make sure that you do not touch the cigar with the flame. This will help to minimize the risk of taking away the natural flavors in the cigar. If you are using paper matches let it burn a bit to burn off some of the sulfuric dioxide before you try to light your cigar. Below you will find the steps on How to Light a Cigar.