a person who helps another (especially as a deputy or as a junior worker)
helper
Cases of word usage
1) a failure to hit, catch, reach, see etc; (used in front of the name of an unmarried woman or girl who has no other titles) 'Miss Smith'; (used by children to a female teacher, to a shop assistant etc) 'Good morning, miss!' (miss)
2) used by children to a male teacher, by a shop assistant to a man etc; used to begin a formal letter to a man (sir)
