The 39-year-old father of two had lived in the East Side neighborhood for the past 20 years, where he’d come to be known as a protector and one of the most helpful men you’d ever want to meet, said his sister-in-law, Mayra Rocha. Around 3:45 p.m. Sunday, when he saw some neighbors outside his home in the 10000 block of Avenue M, it only made sense that he’d strike up a conversation.