painter
The word Maler is used in German to refer to a painter. This can be a professional artist who creates paintings, or it can be a person who paints houses or buildings for a living. The gender of the painter is not specified in the word Maler itself, as it is a masculine noun. If referring to a female painter, the word Malerin would be used instead.
The painter paints a beautiful picture.
In this sentence, 'Maler' is used to refer to a person who is proficient in the art of painting. The verb 'malt' is derived from 'malen', which means 'to paint'. The phrase essentially means that a painter is in the process of creating a visually appealing artwork.
My friend is a famous painter.
In this context, 'Maler' is used to denote one's profession. The speaker is telling us that his or her friend is not just a painter, but a very well-known one - hence the use of 'berühmter', which means 'famous'.
Mr. Schmidt, the painter, lives next door.
In this example, 'Maler' is used as a title, similar to 'doctor' or 'professor' in English. This indicates that Mr. Schmidt's primary activity or profession is painting. 'Nebenan' translates directly to 'next door', indicating that Mr. Schmidt lives in close proximity to the speaker.