How to put out someone on fire?

You must try to persuade the person on fire to lie on the ground then roll. This can put out the fire as a result of preventing it from catching oxygen from the air.

According to a Quora thread, a person who is on fire should be rolled in a smothering item if possible. This can help extinguish the fire.

According to a firefighter, if the person has more than 10% body burns then using a wet bandage to protect them might cause hypothermia.

If you have a fire blanket, roll it around the person. This can help extinguish the fire.

If you don’t have a fire blanket, use a heavy, tightly-woven fabric. Avoid open weave fabrics or or any synthetic materials that are not specifically fire rated.

Don’t cover people up immediately after the fire is put out because this can trap the heat from brunt skin or clothes.

You can use water to cool the burnt areas of the person’s body.

If there is any water surface near by, such as a pool, jumping in it would stop the fire. This must happen immediately after the person catches fire.

When a person who is on fire runs, the flames get fanned and so they grow. (See Why Are Fire Trucks Red?)

Synthetic materials can easily catch fire and make the matter worse. When you cover a person with something, make sure it can’t catch fire easily. Avoid using fabrics made of rubber or nylon.

Pulling away clothes might take off parts of the molten skin. Avoid pulling away clothes.

Smoke inhalation makes the throat swell. Do not give the person anything to drink.

When the skin burns, the body might lose the ability to control its temperature. Keep the person’s body warm until help arrives. (See What Is the Color of Fire?)