Replying to im a bad man

Me and my friends alwase chill in this park near are houses, evry time we go we meat this like 35 year old man that works at a gas staion and alwase seems to be at the park.we made friends with him. sometimes he gives we give him weed, that night we did, but then he droped it. it was arond 11 so we couldnt see shit... panicking i took out my liter and held it close to the grond, to give some light, but i droped my liter then a leaf went on fire, so i put the leaf in the garbige, then the garbig went on fire then i was scared and pushed the garbig over, then the grass went on fire, then we ran away. now what should i do?