A man wearing a white shirt and blue jeans as well as a mask over his mouth stokes a fire.
A guy wearing a shirt and pants and a bandanna over his mouth starts a blaze going.
If a man stokes a fire he will ususlly start a blaze.
A man wearing a uniform is responsible for working with fire
A "guy" is another word for a "man"; "jeans" is another word for "pants"; a "mask" can be a "bandanna"; and a "blaze" can be a stoked fire.