chemik in English:

Steve is the best chemist in our town.

He works as a chemist in a large pharmaceutical firm

My father is a chemist.

I'm going to the chemist to buy some painkillers for my headache

A chemist can advise you on treating mild illnesses.

You can fill in a prescription in the local chemist's.

Two of my friends are researchers; one is a linguist, the other a chemist.

Johnny was a chemist; now Johnny is no more. For what he thought was water, was H2SO4.