promoter | meaning of promoter in Longman Dictionary of Contemporary English | LDOCE

From Longman Dictionary of Contemporary Englishpromoterpro‧mot‧er /prəˈməʊtə $ -ˈmoʊtər/ AWL noun [countable]    1 ARRANGE A MEETING, EVENT ETCsomeone who arranges and advertises concerts or sports events  a boxing promoter2 SUPPORT A PERSON, GROUP, OR PLANsomeone who tries to persuade people to support or use something  promoters of solar energyExamples from the Corpuspromoter• a promoter of healthy living• Railway men, politicians, and promoters were linked together in a loose partnership that crossed party lines.• Meanwhile, promoters of major projects are increasingly producing their own appraisals to support applications.• Specific promoters are activated in specific cells.• But, according to other track promoters, Ladbrokes are embargo-busting by giving out this information.From Longman Business Dictionarypromoterpro‧mot‧er /prəˈməʊtə-ˈmoʊtər/ noun [countable]1COMMERCEsomeone who arranges and advertises concerts and sports eventsa boxing promoter2a person, organization etc that tries to persuade people to support or use somethingThe promoters of nuclear energy claim that it is safe.