torch

A stick with a flame on one end, used chiefly as a light source; a similarly shaped implement with a replaceable supply of flammable material.

“The mob of angry villagers carried torches and pitchforks to the vampire's castle.”

A portable light source powered by electricity; a flashlight.

“Ernst slipped and dropped his torch on the flagstones, shattering the bulb and plunging us into darkness.”

An arsonist.

A blowtorch or oxy-gas torch.

To set fire to, especially by use of a torch (flaming stick).

“Some hoodlums had torched a derelict automobile, which emitted a ghastly pall of thick, black smoke that filled the street.”