A boat carrying 15 kids and their teacher capsized in the river, leaving no survivors. The tragedy shook Saji Valassery, a humble furniture shop owner, to his core. [...] Every morning at 5:30 AM, a quiet revolution unfolds on a Kerala riverbank. Led by one man, this floating classroom has taught over 10,000 people to swim—for free. More than a skill, it’s a lifeline, a community, and a powerful reminder that courage can be contagious.