At the Black Scorpion Ninjutsu Society, the true purpose of martial arts isn’t about conflict—it’s about protection, resilience, and service to others. We believe that real strength is meant to shield the vulnerable, restore self-confidence, and uplift our neighbors.

Through our community outreach initiatives, we take practical self-defense, heightened situational awareness, and physical conditioning out of the dojo and directly to those who need it most across Middle Tennessee—with a dedicated focus on supporting the Nashville Homeless Community and Women who are survivors of Domestic Violence.

Core Outreach Programs - Nashville, TN.

• Trauma-Informed Personal Protection for Women

  Empowering survivors with practical, easy-to-learn self-defense techniques focused on escaping holds, creating space, and reclaiming physical and emotional boundaries. Taught in a compassionate, low-stress environment where safety and respect come first.

• Situational Awareness & Threat De-escalation

  Instilling the foundational Ninjutsu principle of environmental awareness. We teach participants how to spot danger early, de-escalate volatile situations, and make swift, confident decisions to keep themselves and their loved ones safe.

• Fitness, Resilience & Stress Relief

  Combining functional strength training, martial movement, and breathing techniques to help individuals process stress, build mental toughness, and regain trust in their own physical abilities.

• Support for Unhoused Neighbors

  Direct outreach, resource distribution, and practical safety education designed to honor the dignity of the Nashville homeless community while helping individuals navigate daily challenges with greater security.

Partner With Us!

The Black Scorpion Ninjutsu Society regularly collaborates with local shelters, non-profits, youth groups, and advocacy organizations to host free or subsidized workshops and support events.

Are you a shelter director, community organizer, or group leader?

Let’s work together to bring real-world safety skills and empowerment to your organization. Reach out today to schedule a workshop or discuss partnership opportunities.

​Empowering Families Through Martial Arts Training

​Our community outreach program provides free self-defense and martial arts classes for women affected by domestic violence and their children, helping them rebuild physical strength, confidence, and personal safety in a supportive environment.

​How You Can Help: Equipment Donations

​To support our growing classes and ensure every participant is equipped, we gratefully accept donations of new and gently used training gear.

A Mission Built on the Streets: Recovery, Discipline & Respect

For years, the Black Scorpion Ninjutsu Society hasn’t just been a place to train—it’s been a lifeline on the streets of Nashville.

Outreach isn't a temporary initiative for us; it’s a long-standing commitment. For years, we have worked directly with Nashville's unhoused community—meeting people right where they are, from local shelters to encampments under the bridges. We know that real change doesn't come from handouts alone; it comes from restoring self-respect, building internal strength, and renewing a sense of purpose.

Breaking the Cycle Through Personal Discipline

Addiction and homelessness often go hand-in-hand with a loss of control and hope. Through martial arts principles, structured fitness, and practical life skills, we give people the tools to take back control of their lives:

• Building Clean Confidence: Teaching functional physical skills and mental discipline that show individuals they are capable of living a strong, clean, and sober life—free from drugs and alcohol.

• Restoring Dignity & Self-Worth: Treating every unhoused neighbor as a human being with potential, instilling the pride that comes from hard work, focus, and physical mastery.

• Street-Smart Safety & Awareness: Equipping individuals with low-stress, non-escalatory safety habits, environmental awareness, and conflict-avoidance strategies tailored to the daily realities of living on the street.

• A Supportive Tribe: Creating a judgment-free network of accountability, respect, and mutual support that encourages participants to choose recovery and keep moving forward every single day.

Real Impact, One Life at a Time

"When you give someone the tools to protect themselves and the discipline to master their own mind, you give them back their dignity. Once a person remembers their own worth, the path away from drugs, alcohol, and the streets becomes clear."

— Bobby Calvert ("Ninja Bob"), Founder

Empowerment Beyond the Gym: How Ninja Bob Gives Back to Nashville’s Unhoused Community

Bobby Calvert, widely known as "Ninja Bob," has a deep-rooted passion for teaching martial arts and self-defense. For years, his focus has extended far beyond the traditional gym environment to directly benefit the Nashville community. Driven by a desire to support and empower local unhoused individuals, he has dedicated extensive time to offering free martial arts and self-defense training to the Nashville homeless population.

Through this outreach, Ninja Bob has provided essential personal safety skills while building confidence, discipline, and community connections. His commitment has yielded remarkable outcomes: a couple of individuals who were once homeless went on to train under his guidance and successfully compete in formal martial arts competitions.

Call or text: (615) 930-1708

Proudly Serving Nashville and Lebanon Tennessee 

Essential Nashville Resources for Domestic Violence Support and Homeless Services

• Oasis Center (Youth & Teen Services) Phone: 615-327-4455 - 24/7 Teen Crisis Hotline: 1-866-975-3733
• Room in the Inn Phone: 615-251-7019 - Location: 705 Drexel St, Nashville, TN 37203
• Nashville Rescue Mission Phone: 615-255-2475 - Women & Children’s Campus: 1716 Rosa L Parks Blvd, Nashville, TN 37208
• YWCA Weaver Domestic Violence Center - 24/7 Crisis Helpline: 1-800-334-4628
• Tennessee Statewide Domestic Violence Helpline: 1-800-355-9997
• Loaves & Fishes at Holy Name Catholic Church - 508 Main St, Nashville, TN 37206 - Hot lunch served Monday, Wednesday, and Saturday starting at 11:00 AM.

Essential Lebanon Tennessee Resources for Homeless Services

• Compassionate Hands (Center for Hope & Renewal) - 214 N. College St., Lebanon, TN 37087 - Phone: (615) 784-9897
• Brooks House - 219 E. Main St., Lebanon, TN 37087 - Phone: (615) 444-8882
• Compassionate Hands Day Center - 214 N. College St., Lebanon, TN 37087 - Monday, Wednesday, and Friday (10:00 AM – 2:00 PM) - Provides free lunch and daily essential supplies. 
• All For Him Ministry - 319 N. College St., Lebanon, TN 37087 - Phone: (615) 965-2300 - Serves a weekly drive-through meal on Sundays (2:30 PM – 3:30 PM). Also maintains a 24/7 Blessing Box stocked with food items outside the building.
• Wilson County Help Center - 203 W. High St., Lebanon, TN 37087 - Phone: (615) 449-1856 - Offers emergency food boxes, clothing, and utility assistance to Wilson County residents.
• Immanuel Baptist Church (Salt & Light Ministry) - 217 Castle Heights Ave., Lebanon, TN 37087 - Phone: (615) 444-5563 - Local food pantry assistance.
• Joseph's Storehouse Food Ministry - 1960 S.E. Tater Peeler Rd., Lebanon, TN 37087 - Phone: (615) 453-5777 - Large-scale monthly food giveaways and emergency food pantry services.

CONTACT BOBBY CALVERT AKA NINJA BOB!