/ ˈgæfə(r); NAmE / noun
1.
( BrE , informal ) a person who is in charge of a group of people, for example, workers in a factory, a sports team, etc.
SYN boss
2.
the person who is in charge of the electrical work and the lights when a film / movie or television programme is being made
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WORD ORIGIN
late 16th cent. (originally meaning an old man): probably a contraction of godfather .