Guillermo Silva, a Petaluma resident who had worked as a handyman in West Marin for over a decade, died of a stroke last week while on the job in Point Reyes Station. A father, husband and hardworking man who went above and beyond for his community, Mr. Silva “wasn’t just the pillar of our family—he was a pillar in our community. Always ready to lend a hand, offer a kind word, or go the extra…