The landlord of an Inwood apartment building where three people died in a raging fire is responsible for several other apartment buildings in the city that have racked up nearly 1,000 fire and safety violations — infractions the city believes are part of a campaign to chase out rent-stabilized tenants, the Daily News has learned. Jack Bick, who heads JanJan Realty, was already on the Public Advocate’s list of the city’s 100 worst landlords of 2025 before a fire tore through one of his buildings, 207 Dyckman St., early Monday morning, killing a renowned fashion editor, her mother , and another tenant. Four members of another resident’s family — including three children, the youngest just five — are fighting for their lives in the hospital, officials said. That six-story building has had 117 open violations, which include defective self-closing doors on the fourth and sixth floors and nonfunctioning smoke detectors and carbon monoxide detectors, city records show.…