Flight attendants or cabin crew (also known as stewards/stewardesses, air hosts/hostesses, cabin attendants) are members of an aircrew employed by airlines primarily to ensure the safety and comfort of passengers aboard commercial flights, on select business jet aircraft, and on some military aircraft.
The role of a flight attendant derives from that of similar positions on passenger ships or passenger trains, but it has more direct involvement with passengers because of the confined quarters on aircraft. Additionally, the job of a flight attendant revolves around safety to a much greater extent than those of similar staff on other forms of transportation. Flight attendants on board a flight collectively form a cabin crew, as distinguished from pilots and engineers in the cockpit.
The German Heinrich Kubis was the world’s first flight attendant, in 1912. Kubis first attended the passengers on board the DELAG Zeppelin LZ 10 Schwaben. He also attended to the famous LZ 129 Hindenburg and was on board when it burst into flames. He survived by jumping out a window when it neared the ground………………………………
Source : wikipedia