Türdrücker

Etymology
and for the person

Noun

 * 1) an implement at a door to open it
 * 2) by pressing it down or perhaps into the door, door handle
 * 3) by pressing a button and talking, a common type of ,
 * 4)  someone who slings stuff at people’s doors, a tranter
 * 1)  someone who slings stuff at people’s doors, a tranter

Synonyms
,, , ,