Dig around the stump to expose the roots
Cut the visible roots with an axe, saw, or loppers
Rock the stump back and forth to loosen it
Use a shovel or pry bar to lift the stump out
Pull the stump with a chain and vehicle if needed
Drill holes into the stump
Fill the holes with potassium nitrate or stump remover
Add water to soak the stump
Cover the stump with a tarp to retain moisture
Wait several weeks for the wood to soften
Break apart the softened stump with an axe or mattock
Burn the stump only where legal and safe
Grind the stump with a stump grinder
Hire a professional stump removal service
Apply herbicide to prevent regrowth if needed