ORGANIZER
organizer, organiser, arranger
(noun) a person who brings order and organization to an enterprise; “she was the organizer of the meeting”
organizer, organiser, labor organizer
(noun) someone who enlists workers to join a union
Source: WordNet® 3.1
Etymology
Noun
organizer (plural organizers)
A person who arranges the details of a public event.
(computing) A hand-held micro-computer that will perform specific tasks; can be used as an electronic diary, alarm clock, recorder of memos and notes, a portable database etc.
(medicine) A group of cells that, together with the evocator, control differentiation in the embryo; the inductor
Synonyms
• (person): chief, controller, comptroller, foreman, head, head man, overseer, superintendent, supervisor
Source: Wiktionary
Or"gan*i`zer, n.
Definition: One who organizes.
Source: Webster’s Unabridged Dictionary 1913 Edition