podkurzacz in English:

He's a chain smoker.

The judge, though a stickler for the dignity of the bench, was a great pipe smoker and allowed the attorneys the privilege of smoking in court.

It transpired that fire was caused by a careless smoker.

At first they think they won't come to harm, although no smoker escapes at least the short-term effects.

The compromise which permits a smoker to smoke in the smoking corner was born after heated discussion.

My uncle is a very heavy smoker; tobacco is indispensable to him.

I used to smoke. I was quite a heavy smoker.